/* ==========================================================================
   Reset / base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.8;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }

:root {
  --c-bg: #eeeeee;
  --c-bg-alt: #eeeeee;
  --c-dark: #2f2f2d;
  --c-dark-alt: #26262a;
  --c-text: #1c1c1c;
  --c-text-soft: #55555a;
  --c-line: #c9c9c6;
  --c-accent: #7c8896;
  --font-en: 'Cormorant Garamond', serif;
  --font-jp-serif: 'Zen Old Mincho', serif;
  --font-header: 'adobe-garamond-pro', serif;
  --sidebar-w: 90px;
  --header-h: 64px;
  --content-max: 1280px;
}

.en { font-family: var(--font-en); }
.jp-serif { font-family: var(--font-jp-serif); }

.inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 60px;
}

/* ==========================================================================
   Layout shell: fixed left sidebar (PC) / top bar (SP)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--c-bg);
  border-right: 1px solid var(--c-line);
  font-family: var(--font-header);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 0;
  z-index: 100;
}

.site-header__logo {
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.15em;
}
.site-header__logo img { width: 46px; margin: 0 auto; }
.site-header__logo--pc { margin-bottom: 65px; }

.site-header__nav {
  display: flex;
  flex-direction: column;
  gap: 50px;
  font-size: 13px;
  letter-spacing: 0.25em;
}
.site-header__nav a {
  writing-mode: vertical-rl;
  position: relative;
  padding: 4px 0;
}
.site-header__nav a::before {
  content: '';
  position: absolute;
  top: 0;
  right: -6px;
  width: 1px;
  height: 0%;
  background: var(--c-text);
  transition: height 0.3s ease;
}
.site-header__nav a:hover::before {
  height: 100%;
}

.site-header__social {
  width: 26px;
  height: 138px;
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}
.site-header__social img { width: 26px; height: auto; }

.site-header__burger,
.site-header__mobile-bar { display: none; }

/* content offset for fixed sidebar */
.site-main { margin-left: var(--sidebar-w); }

/* ==========================================================================
   Footer (shared)
   ========================================================================== */
.cta-band {
  margin-left: var(--sidebar-w);
  background: var(--c-accent);
  color: #fff;
  text-align: center;
  padding: 80px 24px;
  font-family: var(--font-jp-serif);
}
.cta-band__label { font-size: 12px; letter-spacing: 0.3em; opacity: 0.85; }
.cta-band__title { font-size: 30px; margin: 18px 0 10px; letter-spacing: 0.05em; }
.cta-band__sub { font-size: 13px; opacity: 0.9; margin-bottom: 40px; }
.cta-band__row {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}
.cta-band__item { font-size: 13px; }
.cta-band__item-label { display: inline-flex; align-items: center; gap: 8px; }
.cta-band__item-label img { width: 15px; height: 15px; object-fit: contain; }
.cta-band__item strong {
  display: block;
  font-size: 26px;
  font-weight: 500;
  margin-top: 10px;
  letter-spacing: 0.03em;
}
.cta-band__divider { width: 1px; background: rgba(255,255,255,0.4); }

.site-footer {
  margin-left: var(--sidebar-w);
  background: var(--c-dark);
  color: #cfcfcf;
  padding: 56px 40px 24px;
}
.site-footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
  max-width: 1280px;
  margin: 0 auto;
}
.site-footer__brand { display: flex; align-items: center; gap: 14px; width: 263px; }
.site-footer__brand img { width: 34px; filter: brightness(0) invert(1); }
.site-footer__brand span { font-size: 16px; letter-spacing: 0.05em; color: #fff; }
.site-footer__contact { font-size: 13px; text-align: right; line-height: 2; }
.site-footer__nav {
  display: flex;
  gap: 40px;
  max-width: 1280px;
  margin: 40px auto 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  font-family: var(--font-jp-serif);
}
.site-footer__group { font-family: var(--font-jp-serif); }
.site-footer__bottom {
  max-width: 1280px;
  margin: 24px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.15);
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: #8a8a8a;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Mobile
   ========================================================================== */
@media (max-width: 768px) {
  .inner { padding: 0 24px; }

  .site-header {
    position: fixed;
    width: 100%;
    height: var(--header-h);
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    background: transparent;
    border-right: none;
    border-bottom: none;
  }
  .site-header__logo { display: flex; align-items: center; gap: 8px; font-size: 11px; }
  .site-header__logo img { width: 30px; margin: 0; }
  .site-header__logo--pc { display: none; }
  .site-header__mobile-bar { display: flex; width: 100%; justify-content: space-between; align-items: center; }

  .site-header__nav,
  .site-header__social { display: none; }

  .site-header.is-open .site-header__nav,
  .site-header.is-open .site-header__social {
    display: flex;
    writing-mode: horizontal-tb;
  }
  .site-header.is-open {
    height: 100vh;
    background: transparent;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 0 20px 24px;
    overflow-y: auto;
  }
  .site-header.is-open::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--c-bg);
    opacity: 0;
    z-index: 0;
    pointer-events: none;
    transition: opacity 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  }
  .site-header.is-open.is-visible::before {
    opacity: 1;
  }
  .site-header.is-open .site-header__mobile-bar,
  .site-header.is-open .site-header__nav,
  .site-header.is-open .site-header__social {
    position: relative;
    z-index: 1;
  }
  .site-header.is-open .site-header__mobile-bar {
    display: flex;
    width: 100%;
    height: var(--header-h);
    flex-shrink: 0;
    justify-content: space-between;
    align-items: center;
  }
  .site-header.is-open .site-header__nav {
    flex-direction: column;
    gap: 26px;
    font-size: 18px;
    margin: 48px 0;
    letter-spacing: 0.15em;
  }
  .site-header.is-open .site-header__nav a {
    writing-mode: horizontal-tb;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  }
  .site-header.is-open.is-visible .site-header__nav a {
    opacity: 1;
    transform: translateY(0);
  }
  .site-header.is-open.is-visible .site-header__nav a:nth-child(1) { transition-delay: 0.2s; }
  .site-header.is-open.is-visible .site-header__nav a:nth-child(2) { transition-delay: 0.3s; }
  .site-header.is-open.is-visible .site-header__nav a:nth-child(3) { transition-delay: 0.4s; }

  .site-header.is-open .site-header__social {
    width: auto;
    height: auto;
    flex-direction: row;
    justify-content: flex-start;
    gap: 24px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  }
  .site-header.is-open.is-visible .site-header__social {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.5s;
  }
  .site-header.is-open .site-header__social img { width: 18px; }

  .site-header__burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 26px; height: 20px;
    position: relative;
  }
  .site-header__burger span {
    display: block; height: 1px; width: 100%;
    background: var(--c-text);
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  }
  .site-header.is-open .site-header__burger span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }
  .site-header.is-open .site-header__burger span:nth-child(2) {
    opacity: 0;
    transform: translateX(16px);
  }
  .site-header.is-open .site-header__burger span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .site-main { margin-left: 0; margin-top: 0; }
  .cta-band { margin-left: 0; }
  .site-footer { margin-left: 0; }

  .cta-band__row { gap: 28px; }
  .cta-band__divider { display: none; }
  .cta-band__title { font-size: 26px; }
  .site-footer__top { flex-direction: column; align-items: center; }
  .site-footer__brand { width: 280px; justify-content: center; }
  .site-footer__contact { text-align: center; }
  .site-footer__nav { display: none; }
  .site-footer__bottom { flex-direction: column; align-items: center; text-align: center; gap: 8px; }
}

/* ==========================================================================
   TOP page
   ========================================================================== */
.hero {
  position: relative;
  display: flex;
  align-items: stretch;
  min-height: 100vh;
}
.hero__catch {
  flex: 0 0 21%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  font-size: 34px;
  line-height: 1.6;
}
.hero__catch p {
  writing-mode: vertical-rl;
  opacity: 0;
  transform: translateY(14px);
  animation: hero-fade-in 1.8s ease both;
}
.hero__catch p:nth-child(1) { animation-delay: 0.9s; }
.hero__catch p:nth-child(2) { animation-delay: 1.6s; }
.hero__scroll {
  position: absolute;
  left: 21%;
  bottom: 0;
  transform: translateX(calc(-100% - 10px));
  opacity: 0;
  animation: hero-photo-fade-in 1s ease both;
  animation-delay: 3.4s;
}
.hero__scroll img { height: 130px; width: auto; }
.hero__photo { position: relative; flex: 0 0 79%; min-width: 0; overflow: hidden; }
.hero__photo img {
  width: 100%;
  height: 100vh;
  object-fit: cover;
  opacity: 0;
  animation: hero-photo-fade-in 1.2s ease both;
}
.hero__wordmark {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  margin: 0;
  width: 100%;
  font-size: 14.5vw;
  line-height: 1;
  color: rgba(255, 255, 255, .4);
  letter-spacing: 0.02em;
  white-space: nowrap;
  text-align: center;
  pointer-events: none;
  z-index: 1;
}

@keyframes hero-fade-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes hero-photo-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Scroll-triggered fade-in utility (see main.js IntersectionObserver) */
.js-reveal {
  opacity: 0;
  transition: opacity 1.8s ease;
}
.js-reveal.is-visible { opacity: 1; }
.js-reveal--delay-1.is-visible { transition-delay: 0.3s; }
.js-reveal--delay-2.is-visible { transition-delay: 0.6s; }
.js-reveal--delay-3.is-visible { transition-delay: 0.9s; }

.mission { position: relative; padding: 140px 60px 60px; }
.mission__head {
  margin-bottom: 80px;
}
.mission__title { font-family: var(--font-header); font-size: 56px; font-weight: 500; }
.mission__vertical {
  position: absolute;
  top: 140px;
  right: 60px;
  writing-mode: vertical-rl;
  font-size: 20px;
  line-height: 2;
}
.mission__vertical p { margin: 0; }
.mission__vertical-b { position: relative; top: 60px; }
.mission__body {
  max-width: 640px;
  color: var(--c-text-soft);
  font-size: 14px;
  letter-spacing: 0.02em;
}
.mission__rule {
  margin-top: 150px;
  border-top: 1px solid var(--c-line);
}

.mission-strip { position: relative; width: 82vw; margin: 0 0 0 auto; padding: 40px 0 100px; }
.mission-strip__frame {
  position: relative;
  overflow: hidden;
  cursor: grab;
  touch-action: pan-y;
}
.mission-strip__frame.is-dragging { cursor: grabbing; }
.mission-strip__track {
  display: flex;
  width: max-content;
  animation: mission-strip-scroll 55s linear infinite;
}
.mission-strip__photo { height: 205px; width: auto; max-width: none; display: block; flex-shrink: 0; user-select: none; -webkit-user-drag: none; }

@keyframes mission-strip-scroll {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}
.mission-strip__scroll {
  position: absolute;
  left: -90px;
  top: 140px;
  height: 300px;
  width: auto;
  max-width: none;
}
.mission-strip__bars {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-top: 54px;
}
.mission-strip__bar { position: relative; display: block; width: 180px; height: 1px; }
.mission-strip__bar img { position: absolute; top: 0; left: 0; width: 180px; height: 1px; }
.mission-strip__bar-fill { opacity: 0; }
.mission-strip__bar-fill--1 { animation: mission-strip-bar-1 55s ease-in-out infinite; }
.mission-strip__bar-fill--2 { animation: mission-strip-bar-2 55s ease-in-out infinite; }
.mission-strip__bar-fill--3 { animation: mission-strip-bar-3 55s ease-in-out infinite; }
.mission-strip__bar-fill--4 { animation: mission-strip-bar-4 55s ease-in-out infinite; }

@keyframes mission-strip-bar-1 {
  0% { opacity: 1; }
  22% { opacity: 1; }
  25% { opacity: 0; }
  97% { opacity: 0; }
  100% { opacity: 1; }
}
@keyframes mission-strip-bar-2 {
  0% { opacity: 0; }
  22% { opacity: 0; }
  25% { opacity: 1; }
  47% { opacity: 1; }
  50% { opacity: 0; }
  100% { opacity: 0; }
}
@keyframes mission-strip-bar-3 {
  0% { opacity: 0; }
  47% { opacity: 0; }
  50% { opacity: 1; }
  72% { opacity: 1; }
  75% { opacity: 0; }
  100% { opacity: 0; }
}
@keyframes mission-strip-bar-4 {
  0% { opacity: 0; }
  72% { opacity: 0; }
  75% { opacity: 1; }
  97% { opacity: 1; }
  100% { opacity: 0; }
}
.mission-strip__scroll-sp { display: none; }

.works-hero { padding: 60px; }
.works-hero__label {
  writing-mode: vertical-rl;
  font-family: var(--font-header);
  font-size: 56px;
  font-weight: 500;
  float: left;
  height: 260px;
}
.works-accordion {
  display: flex;
  align-items: stretch;
  height: 560px;
  gap: 6px;
}
.works-accordion__panel {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  overflow: hidden;
  border: none;
  padding: 0;
  background: var(--c-dark);
  cursor: pointer;
  transition: flex-grow 1s cubic-bezier(0.32, 0, 0.67, 0);
}
.works-accordion__panel.is-active { flex-grow: 7; }
.works-accordion__media { position: absolute; inset: 0; display: block; }
.works-accordion__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.75);
  transition: filter 0.5s ease;
}
.works-accordion__panel.is-active .works-accordion__media img { filter: brightness(0.9); }
.works-accordion__panel:not(.is-active):hover .works-accordion__media img { filter: brightness(0.95); }

.works-accordion__vertical {
  position: absolute;
  left: 0; right: 0; bottom: 24px;
  text-align: center;
  writing-mode: vertical-rl;
  margin: 0 auto;
  color: #fff;
  font-size: 13px;
  letter-spacing: 0.1em;
  max-height: calc(100% - 48px);
  opacity: 1;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
.works-accordion__panel.is-active .works-accordion__vertical { opacity: 0; }

.works-accordion__caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 40px 40px 32px;
  background: linear-gradient(to top, rgba(0,0,0,0.75), rgba(0,0,0,0) 75%);
  color: #fff;
  text-align: left;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  white-space: normal;
}
.works-accordion__panel.is-active .works-accordion__caption {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease 0.55s, transform 0.6s ease 0.55s;
}
.works-accordion__cat {
  display: block;
  font-size: 11px;
  letter-spacing: 0.15em;
  opacity: 0.85;
  margin-bottom: 14px;
}
.works-accordion__cat span { margin: 0 8px; opacity: 0.6; }
.works-accordion__title {
  display: block;
  font-size: 24px;
  line-height: 1.5;
  margin-bottom: 20px;
}
.works-accordion__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.15em;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(255,255,255,0.5);
  transition: border-color 0.3s ease;
}
.works-accordion__link:hover { border-color: #fff; }
.works-accordion__arrow { display: inline-block; transition: transform 0.3s ease; }
.works-accordion__link:hover .works-accordion__arrow { transform: translateX(6px); }

.tag {
  border: 1px solid var(--c-line);
  padding: 3px 10px;
  font-size: 11px;
}
.tag--dark { background: var(--c-dark); color: #fff; border-color: var(--c-dark); font-family: var(--font-jp-serif); }

.project { padding: 120px 60px; text-align: center; }
.project__title { font-family: var(--font-header); font-size: 42px; font-weight: 500; margin-top: 8px; }
.project__lead {
  margin-top: 20px;
  font-size: 13px;
  color: var(--c-text-soft);
  line-height: 2;
}
.project__grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.project__item { position: relative; border-radius: 26px; overflow: hidden; }
.project__item img { width: 100%; aspect-ratio: 530/630; object-fit: cover; filter: grayscale(60%); }
.project__item--color img { filter: none; }
.project__item:not(.project__item--color)::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(102, 102, 102, .6);
  z-index: 1;
  pointer-events: none;
}
.project__item-label {
  position: absolute;
  left: 20px; bottom: 24px;
  text-align: left;
  color: #fff;
  font-size: 11px;
  letter-spacing: 0.1em;
  font-family: var(--font-jp-serif);
  z-index: 2;
}
.project__item-label span { display: block; margin-top: 6px; font-size: 11px; }

.message-band {
  position: relative;
  width: 100%;
  height: 353.558px;
  color: #fff;
  overflow: hidden;
}
.message-band__photo { position: absolute; inset: 0; width: 100%; height: 100%; }
.message-band__photo img { width: 100%; height: 100%; object-fit: cover; object-position: center -100px; display: block; }
.message-band__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
}
.message-band__text {
  position: relative;
  z-index: 1;
  height: 100%;
  max-width: 640px;
  margin-left: auto;
  padding: 0 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: right;
  font-family: var(--font-jp-serif);
}
.message-band__label { font-size: 11px; letter-spacing: 0.3em; opacity: 0.8; }
.message-band__title { font-size: 34px; margin: 16px 0 24px; }
.message-band__body { font-size: 13px; line-height: 2; color: #cfcfcf; }

@media (max-width: 768px) {
  .hero { min-height: 100vh; }
  .hero__catch {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    display: block;
    writing-mode: vertical-rl;
    padding: 20px 14px;
    background: rgba(238, 238, 238, 0.75);
    font-size: 26px;
    color: var(--c-text);
    z-index: 2;
  }
  .hero__catch p { display: inline; writing-mode: inherit; }
  .hero__scroll { display: none; }
  .hero__photo { flex: none; width: 100%; }
  .hero__photo img { height: 100vh; }
  .hero__wordmark { font-size: 22vw; }

  .mission { padding: 60px 24px; }
  .mission__rule { display: none; }
  .mission__head { display: flex; flex-direction: column; margin-bottom: 24px; }
  .mission__title { order: 2; font-size: 45px; }
  .mission__vertical {
    order: 1;
    position: static;
    display: flex;
    flex-direction: column;
    writing-mode: horizontal-tb;
    gap: 8px;
    margin-top: 0;
    margin-bottom: 16px;
    font-size: 30px;
  }
  .mission__vertical p:not(.mission__vertical-b) { align-self: flex-start; text-align: left; }
  .mission__vertical-b { top: 0; left: 0; align-self: flex-end; text-align: right; }

  /* SP visual order is vertical text -> title -> body, so swap the reveal delays to match */
  .mission__vertical.is-visible { transition-delay: 0s; }
  .mission__title.is-visible { transition-delay: 0.3s; }
  .mission__body.is-visible { transition-delay: 0.6s; }

  .mission-strip { width: 100vw; margin-left: 0; }
  .mission-strip__scroll { display: none; }
  .mission-strip__bars { display: none; }
  .mission-strip__scroll-sp {
    display: block;
    margin: 30px auto 0;
    height: 90px;
    width: 18px;
  }

  .works-hero { padding: 40px 24px; }
  .works-hero__label { float: none; height: auto; writing-mode: horizontal-tb; font-size: 34px; margin-bottom: 16px; text-align: center; }

  .works-accordion { flex-direction: column; height: auto; gap: 4px; }
  .works-accordion__panel { flex: 0 0 64px; transition: flex-grow 1s cubic-bezier(0.32, 0, 0.67, 0), flex-basis 1s cubic-bezier(0.32, 0, 0.67, 0); }
  .works-accordion__panel.is-active { flex: 1 1 420px; }
  .works-accordion__vertical { writing-mode: horizontal-tb; left: 20px; right: 20px; bottom: 0; top: 0; display: flex; align-items: center; text-align: left; max-height: none; font-size: 14px; }
  .works-accordion__caption { padding: 24px 20px 20px; }
  .works-accordion__title { font-size: 19px; margin-bottom: 14px; }

  .project { padding: 60px 24px; }
  .project__grid { grid-template-columns: 1fr; gap: 40px; }
  .project__item { border-radius: 20px; overflow: hidden; }
  .project__item img { aspect-ratio: 3/2; }
  .project__item-label {
    position: absolute;
    left: 0; right: 0; bottom: 24px;
    text-align: center;
    color: #fff;
  }

  .message-band { height: 420px; }
  .message-band__text { padding: 0 24px; max-width: none; margin-left: 0; text-align: center; }
  .message-band__label { font-size: 13px; }
  .message-band__title { font-size: 18px; font-weight: 100; }
  .message-band__body { font-size: 13px; }
}

/* ==========================================================================
   CONCEPT page
   ========================================================================== */
.concept-intro {
  display: flex;
  align-items: flex-start;
  gap: 90px;
  padding: 100px 0 140px 0;
}
.concept-intro__photos {
  flex: 0 0 47%;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.concept-intro__photos img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

.concept-intro__text { flex: 0 0 38%; min-width: 0; margin-top: 90px; }
.concept-intro__label { font-family: var(--font-header); font-size: 11px; letter-spacing: 0.3em; color: var(--c-text-soft); }
.concept-intro__title {
  font-size: 34px;
  line-height: 1.6;
  margin: 16px 0 48px;
}
.concept-intro__title-line {
  display: inline-block;
  width: 70px;
  height: 1px;
  margin-right: 6px;
  background: var(--c-text);
  vertical-align: middle;
}
.concept-intro__body { max-width: 720px; font-size: 14px; color: var(--c-text); }
.concept-intro__body p { margin-bottom: 1.6em; }
.concept-intro__body--en {
  width: 70%;
  margin-top: 24px;
  font-size: 12px;
  color: var(--c-text-soft);
  font-style: italic;
}

.why-walkas { background: var(--c-bg-alt); padding: 100px 60px; text-align: center; font-family: var(--font-jp-serif); }
.why-walkas__label { font-size: 11px; letter-spacing: 0.3em; color: var(--c-text-soft); }
.why-walkas__title { font-size: 32px; margin-top: 10px; }
.why-walkas__grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}
.why-walkas__item { border-top: 1px solid var(--c-line); padding-top: 24px; text-align: left; }
.why-walkas__num { font-size: 15px; color: var(--c-text-soft); margin-bottom: 0px; }
.why-walkas__item h3 { font-size: 18px; margin-bottom: 0px; }
.why-walkas__desc {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  font-size: 13px;
  color: var(--c-text-soft);
  line-height: 1.9;
}

.vision { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 60px; padding: 120px 90px 0 0; }
.vision__photo img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.vision__label { font-family: var(--font-jp-serif); font-size: 11px; letter-spacing: 0.3em; color: var(--c-text-soft); }
.vision__title { font-size: 30px; font-weight: 100; line-height: 1.6; margin: 14px 0 24px; }
.vision__body { font-size: 13px; color: var(--c-text-soft); line-height: 2; }

@media (max-width: 768px) {
  .concept-intro { flex-direction: column; gap: 32px; padding: 60px 24px; }
  .concept-intro__photos { order: 2; width: 100%; flex-direction: column; flex: none; gap: 0; }
  .concept-intro__photos img { width: 100%; flex: none; min-width: 0; }
  .concept-intro__text { order: 1; flex: none; margin-top: 0; }
  .concept-intro__title { font-size: 24px; margin-bottom: 32px; }
  .concept-intro__body--en { width: 100%; }

  .why-walkas { padding: 60px 24px; }
  .why-walkas__grid { grid-template-columns: 1fr; gap: 32px; }
  .why-walkas__item { text-align: center; }

  .vision { grid-template-columns: 1fr; padding: 60px 24px; gap: 32px; }
  .vision__photo { width: 100%; }
  .vision__title { font-size: 18px; white-space: nowrap; }
  .vision__title-break { display: none; }
}

/* ==========================================================================
   COMPANY page
   ========================================================================== */
.page-hero { padding: 100px 60px 60px; text-align: center; }
.page-hero__title { font-size: 42px; letter-spacing: 0.1em; }

.page-hero--split {
  display: flex;
  align-items: stretch;
  height: 100vh;
  padding: 0;
  text-align: left;
}
.page-hero__col-text {
  flex: 0 0 30%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-hero__title-split { font-size: 30px; letter-spacing: 0.1em; }
.page-hero__col-image { flex: 0 0 70%; min-width: 0; }
.page-hero__col-image img { width: 100%; height: 100%; object-fit: cover; display: block; }

.profile { padding: 40px 60px 100px; }
.profile__label { font-size: 11px; letter-spacing: 0.2em; color: var(--c-text-soft); margin-bottom: 24px; }
.profile__table { border-top: 1px solid var(--c-line); max-width: 900px; }
.profile__row {
  display: flex;
  gap: 40px;
  padding: 22px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 13px;
}
.profile__row dt { flex: 0 0 160px; color: var(--c-text-soft); }
.profile__row dd { margin: 0; }

.group-companies { padding: 60px 60px 120px; text-align: center; }
.group-companies__label { font-size: 11px; letter-spacing: 0.3em; color: var(--c-text-soft); }
.group-companies__title { font-size: 32px; margin-top: 10px; }
.group-companies__grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  text-align: left;
}
.group-card {
  position: relative;
  display: block;
  border-radius: 4px;
  overflow: hidden;
  min-height: 220px;
}
.group-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.45) grayscale(40%);
}
.group-card__body {
  position: relative;
  z-index: 1;
  color: #fff;
  padding: 28px;
  font-family: var(--font-jp-serif);
}
.group-card__en { font-size: 11px; letter-spacing: 0.2em; opacity: 0.85; }
.group-card__body h3 { font-size: 22px; margin: 10px 0 14px; }
.group-card__desc { font-size: 12px; line-height: 1.8; max-width: 380px; }
.group-card__link { display: block; margin-top: 14px; font-size: 12px; text-decoration: underline; text-align: right; }

.access { padding: 60px 60px 120px; text-align: center; }
.access__label { font-size: 11px; letter-spacing: 0.3em; color: var(--c-text-soft); }
.access__title { font-size: 32px; margin-top: 10px; }
.access__map {
  margin-top: 40px;
  aspect-ratio: 16/7;
  background: #b9c0c6;
}

@media (max-width: 768px) {
  .page-hero { padding: 60px 24px 40px; }
  .page-hero__title { font-size: 30px; }
  .page-hero--split { flex-direction: column; height: auto; padding: 0; margin-bottom: 40px; }
  .page-hero__col-text { order: 2; flex: none; padding: 24px 24px; justify-content: center; text-align: center; }
  .page-hero__col-image { order: 1; flex: none; height: 50vh; }
  .profile { padding: 0 24px 60px; }
  .profile__label { text-align: center; }
  .profile__row { flex-direction: column; gap: 6px; text-align: center; align-items: center; }
  .profile__row dt { flex: none; }

  .group-companies { padding: 40px 24px 60px; }
  .group-companies__grid { grid-template-columns: 1fr; }
  .group-card__body { text-align: center; }
  .group-card__link { text-align: center; }
  .group-card__desc { font-size: 12px; line-height: 1.8; max-width: 420px; }

  .access { padding: 40px 24px 60px; }
  .access__map { aspect-ratio: 4/5; }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .group-card__body { text-align: center; }
  .group-card__desc { margin: 0 auto; }
  .group-card__link { text-align: center; }
}

/* ==========================================================================
   WORKS page
   ========================================================================== */
.works-filter {
  padding: 0 60px 60px;
  margin-top: 60px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.works-filter__btn {
  border: 1px solid var(--c-line);
  padding: 10px 20px;
  font-size: 12px;
  letter-spacing: 0.05em;
  background: transparent;
}
.works-filter__btn.is-active { background: var(--c-dark); color: #fff; border-color: var(--c-dark); }

.works-list {
  padding: 0 0px 100px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 56px 0px;
}
.works-list__item { display: block; }
.works-list__figure { display: block; }
.works-list__body {
  min-width: 0;
  text-align: left;
  /* margin-left: 15px; */
  padding: 0 20px;
}
.works-list__figure img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.works-list__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  font-size: 11px;
  color: var(--c-accent);
  font-family: var(--font-jp-serif);
}
.works-list__date { color: var(--c-text-soft); }
.works-list__title { font-size: 17px; margin-top: 12px; font-family: var(--font-jp-serif); }
.works-list__desc { font-size: 12.5px; color: var(--c-text-soft); line-height: 1.9; margin-top: 10px; }

@media (max-width: 768px) {
  .works-filter { padding: 0 24px 32px; margin-top: 0; }
  .works-list { padding: 0 24px 60px; grid-template-columns: 1fr; gap: 40px; }
  .works-list__item { display: block; }
  .works-list__figure { flex: none; }
  .works-list__body { flex: none; }
  .works-list__meta { flex-wrap: wrap; }
  .works-list__date { margin-left: 0; width: 100%; }
}