/*
 * ARBUS ARCHITECTS — Main Stylesheet
 * ============================================================
 * Structure:
 *   1. Custom Properties (Design Tokens)
 *   2. Reset & Base
 *   3. Typography Utilities
 *   4. Layout
 *   5. Components
 *      5-1. Loader
 *      5-2. Site Header
 *      5-3. Mobile Menu
 *      5-4. Section Header
 *      5-5. Button
 *      5-6. Arrow Link
 *   6. Page Sections (index.html)
 *      6-1. Hero
 *      6-2. Philosophy
 *      6-3. Works
 *      6-4. Materials
 *      6-5. Flow
 *      6-6. News
 *      6-7. Contact CTA
 *   7. Site Footer
 *   8. Animations & Reveal
 *   9. Utility Classes
 * ============================================================
 */


/* ============================================================
   1. Custom Properties
   ============================================================ */
:root {
  /* Color */
  --color-bg:        #ffffff;
  --color-bg-alt:    #f5f4ef;
  --color-bg-dark:   #1e2b1e;   /* materials section bg */
  --color-text:      #222222;
  --color-text-sub:  #5a5a55;
  --color-text-mute: #9a9a93;
  --color-line:      #dddddd;
  --color-line-soft: #ececec;
  --color-green:     #3d9e3d;
  --color-green-deep:#2d7a2d;
  --color-green-pale:#b8eab8;

  /* Typography */
  --font-display: 'Syne', 'Helvetica Neue', sans-serif;
  --font-body:    'Inter', 'Helvetica Neue', sans-serif;
  --font-jp:      'Noto Sans JP', sans-serif;
  --font-jp-serif:'Noto Serif JP', serif;

  /* Spacing */
  --space-xs:  8px;
  --space-sm:  16px;
  --space-md:  32px;
  --space-lg:  64px;
  --space-xl:  120px;
  --space-2xl: 200px;

  /* Layout */
  --container-max: 1480px;
  --container-pad: 64px;
  --container-pad-sp: 22px;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast:   0.3s;
  --duration-base:   0.5s;
  --duration-slow:   0.8s;
  --duration-reveal: 1.2s;
}


/* ============================================================
   2. Reset & Base
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-jp);
  font-weight: 300;
  font-size: 14px;
  line-height: 2;
  letter-spacing: 0.05em;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-base) var(--ease-out),
              opacity var(--duration-base) var(--ease-out);
}

button {
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  font-family: inherit;
}

ul, ol {
  list-style: none;
}

::selection {
  background-color: var(--color-green);
  color: var(--color-bg);
}


/* ============================================================
   3. Typography Utilities
   ============================================================ */

/* Section eyebrow label — "✦ Works" */
.label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-green);
}

.label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-green);
  flex-shrink: 0;
}

/* Large display heading */
.heading-display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 0.97;
}

/* Japanese serif heading */
.heading-jp {
  font-family: var(--font-jp-serif);
  font-weight: 300;
  letter-spacing: 0.14em;
  line-height: 1.9;
}

/* Italic accent within display headings */
.heading-display em {
  font-style: italic;
  color: var(--color-green);
}


/* ============================================================
   4. Layout
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* Side decorative labels (desktop only) */
.side-label {
  position: fixed;
  top: 50%;
  left: 28px;
  z-index: 50;
  pointer-events: none;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: #fff;           /* visible on hero; mix-blend-mode keeps it subtle elsewhere */
  mix-blend-mode: difference;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: left center;
}

.side-label--right {
  left: auto;
  right: 28px;
  transform: translateY(-50%) rotate(90deg);
  transform-origin: right center;
}

/* Section — default vertical rhythm */
.section {
  padding: var(--space-2xl) 0;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

/* Section header row (label + count or CTA) */
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-line-soft);
}

@media (max-width: 900px) {
  .container {
    padding: 0 var(--container-pad-sp);
  }
  .side-label {
    display: none;
  }
  .section {
    padding: 100px 0;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
  }
}


/* ============================================================
   5. Components
   ============================================================ */

/* ----------------------------------------------------------
   5-1. Loader
   ---------------------------------------------------------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 1s var(--ease-out), visibility 1s var(--ease-out);
}

.loader.is-hidden {
  opacity: 0;
  visibility: hidden;
}

.loader__inner {
  text-align: center;
}

.loader__spinner {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--color-line);
  border-top-color: var(--color-green);
  margin: 0 auto 20px;
  animation: spin 1.2s linear infinite;
}

.loader__text {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.4em;
  color: var(--color-text);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}


/* ----------------------------------------------------------
   5-2. Site Header
   ---------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 110;
  padding: 28px var(--container-pad);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--duration-slow) var(--ease-out),
    padding         var(--duration-slow) var(--ease-out),
    border-color    var(--duration-slow) var(--ease-out);
}

.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 18px var(--container-pad);
  border-bottom-color: var(--color-line-soft);
}

/* Logo */
.logo {
  display: flex;
  align-items: baseline;
  gap: 14px;
  color: var(--color-bg);
  mix-blend-mode: difference;
  transition: color var(--duration-base) var(--ease-out);
}

.site-header.is-scrolled .logo {
  color: var(--color-text);
  mix-blend-mode: normal;
}

.logo__icon {
  position: relative;
  width: 22px;
  height: 22px;
  align-self: center;
}

.logo__icon::before,
.logo__icon::after {
  content: "";
  position: absolute;
  background-color: currentColor;
}

.logo__icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  transform: translateY(-50%);
}

.logo__icon::after {
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  transform: translateX(-50%);
}

.logo__mark {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1;
}

.logo__sub {
  font-family: var(--font-jp);
  font-size: 9px;
  font-weight: 300;
  letter-spacing: 0.45em;
  line-height: 1;
  opacity: 0.7;
}

/* Primary nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: 56px;
}

.site-nav__list {
  display: flex;
  gap: 36px;
}

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 2px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-bg);
  mix-blend-mode: difference;
  transition: color var(--duration-base) var(--ease-out);
}

.site-nav__link-num {
  font-size: 9px;
  opacity: 0.6;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-base) var(--ease-out);
}

.site-nav__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-header.is-scrolled .site-nav__link {
  color: var(--color-text);
  mix-blend-mode: normal;
}

/* Nav CTA button */
.site-nav__cta {
  padding: 11px 22px;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-bg);
  border: 1px solid currentColor;
  mix-blend-mode: difference;
  transition:
    background-color var(--duration-base) var(--ease-out),
    color            var(--duration-base) var(--ease-out),
    border-color     var(--duration-base) var(--ease-out);
}

.site-header.is-scrolled .site-nav__cta {
  color: var(--color-green);
  mix-blend-mode: normal;
}

.site-nav__cta:hover {
  background-color: var(--color-green);
  border-color: var(--color-green);
  color: var(--color-bg);
  mix-blend-mode: normal;
}

/* Hamburger toggle */
.menu-toggle {
  display: none;
  position: relative;
  z-index: 1;
  width: 40px;
  height: 40px;
  color: var(--color-bg);
  mix-blend-mode: difference;
}

.site-header.is-scrolled .menu-toggle {
  color: var(--color-text);
  mix-blend-mode: normal;
}

.menu-toggle__line {
  display: block;
  position: absolute;
  left: 8px;
  width: 24px;
  height: 1px;
  background-color: currentColor;
  transition:
    transform var(--duration-base) var(--ease-out),
    top       var(--duration-fast) var(--ease-out),
    width     var(--duration-fast) var(--ease-out);
}

.menu-toggle__line:nth-child(1) { top: 16px; }
.menu-toggle__line:nth-child(2) { top: 24px; width: 16px; }

.menu-toggle.is-open {
  mix-blend-mode: normal;
  color: var(--color-text);
}

.menu-toggle.is-open .menu-toggle__line {
  background-color: var(--color-text);
}

.menu-toggle.is-open .menu-toggle__line:nth-child(1) {
  top: 20px;
  transform: rotate(45deg);
}

.menu-toggle.is-open .menu-toggle__line:nth-child(2) {
  top: 20px;
  width: 24px;
  transform: rotate(-45deg);
}

@media (max-width: 900px) {
  .site-header {
    padding: 18px var(--container-pad-sp);
  }

  .site-header.is-scrolled {
    padding: 14px var(--container-pad-sp);
  }

  .site-nav__list,
  .site-nav__cta {
    display: none;
  }

  .menu-toggle {
    display: block;
  }
}


/* ----------------------------------------------------------
   5-3. Mobile Menu
   ---------------------------------------------------------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 105;
  padding: 100px var(--container-pad-sp) 40px;
  background-color: var(--color-bg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-slow) var(--ease-out),
              visibility var(--duration-slow) var(--ease-out);
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__list {
  /* list-style reset in base */
}

.mobile-menu__item {
  border-bottom: 1px solid var(--color-line-soft);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

/* Staggered reveal — JS adds .is-open to parent */
.mobile-menu.is-open .mobile-menu__item:nth-child(1) { opacity: 1; transform: none; transition-delay: 0.10s; }
.mobile-menu.is-open .mobile-menu__item:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.18s; }
.mobile-menu.is-open .mobile-menu__item:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.26s; }
.mobile-menu.is-open .mobile-menu__item:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.34s; }
.mobile-menu.is-open .mobile-menu__item:nth-child(5) { opacity: 1; transform: none; transition-delay: 0.42s; }

.mobile-menu__link {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 24px 8px;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.15em;
}

.mobile-menu__link-num {
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--color-text-mute);
}

.mobile-menu__foot {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--color-text-mute);
}


/* ----------------------------------------------------------
   5-4. Section Header block (reusable in sub-pages)
   ---------------------------------------------------------- */
.section-title {
  margin-top: 20px;
  font-size: clamp(48px, 6.5vw, 96px);
}

.section-title-jp {
  display: block;
  margin-top: 20px;
  font-family: var(--font-jp-serif);
  font-size: 14px;
  letter-spacing: 0.3em;
  color: var(--color-text-mute);
}


/* ----------------------------------------------------------
   5-5. Button
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  padding: 20px 40px;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
  transition: transform var(--duration-base) var(--ease-out);
}

.btn--primary {
  background-color: var(--color-green);
  color: var(--color-bg);
}

.btn--primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--color-green-deep);
  transform: translateY(101%);
  transition: transform var(--duration-slow) var(--ease-out);
  z-index: 0;
}

.btn--primary:hover::before {
  transform: translateY(0);
}

.btn__text,
.btn__icon {
  position: relative;
  z-index: 1;
}

.btn__icon {
  width: 28px;
  height: 8px;
  transition: transform var(--duration-base) var(--ease-out);
}

.btn:hover .btn__icon {
  transform: translateX(8px);
}


/* ----------------------------------------------------------
   5-6. Arrow Link  ("View All Works →")
   ---------------------------------------------------------- */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-green);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--color-green);
  transition: gap var(--duration-base) var(--ease-out);
}

.arrow-link:hover {
  gap: 20px;
}

.arrow-link svg {
  width: 18px;
  height: 8px;
  flex-shrink: 0;
}


/* ============================================================
   6. Page Sections
   ============================================================ */

/* ----------------------------------------------------------
   6-1. Hero
   ---------------------------------------------------------- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  overflow: hidden;
}

.hero__image-wrap {
  position: absolute;
  inset: -8% 0 0;
  height: 116%;
  will-change: transform;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  animation: heroZoom 2.6s var(--ease-out) 0.4s forwards;
}

@keyframes heroZoom {
  to { transform: scale(1); }
}

.hero__overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(0,0,0,0.12) 0%,
    rgba(0,0,0,0)    25%,
    rgba(0,0,0,0)    55%,
    rgba(0,0,0,0.32) 100%
  );
}

.hero__content {
  position: absolute;
  bottom: 110px;
  left: var(--container-pad);
  z-index: 2;
  color: var(--color-bg);
  max-width: 720px;
}

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 36px;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.45em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(20px);
  animation: heroFade 1s var(--ease-out) 1.2s forwards;
}

.hero__eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background-color: currentColor;
  flex-shrink: 0;
}

.hero__copy {
  font-family: var(--font-jp-serif);
  font-size: clamp(28px, 4.4vw, 58px);
  font-weight: 200;
  line-height: 1.55;
  letter-spacing: 0.06em;
  opacity: 0;
  transform: translateY(30px);
  animation: heroFade 1.2s var(--ease-out) 1.4s forwards;
}

.hero__copy-line {
  display: block;
}

.hero__copy em {
  font-style: normal;
  color: var(--color-green);
}

.hero__sub {
  max-width: 380px;
  margin-top: 32px;
  font-size: 13px;
  font-weight: 300;
  line-height: 2.2;
  letter-spacing: 0.16em;
  opacity: 0;
  transform: translateY(20px);
  animation: heroFade 1s var(--ease-out) 1.8s forwards;
}

.hero__meta {
  position: absolute;
  right: var(--container-pad);
  bottom: 110px;
  z-index: 2;
  color: var(--color-bg);
  text-align: right;
  opacity: 0;
  animation: heroFade 1s var(--ease-out) 2s forwards;
}

.hero__meta-label {
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 10px;
}

.hero__meta-project {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.06em;
}

.hero__meta-loc {
  margin-top: 6px;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.2em;
  opacity: 0.7;
}

.scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  z-index: 2;
  transform: translateX(-50%);
  color: var(--color-bg);
  text-align: center;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  opacity: 0;
  animation: heroFade 1s var(--ease-out) 2.2s forwards;
}

.scroll-indicator__line {
  width: 1px;
  height: 56px;
  margin: 14px auto 0;
  background-color: rgba(255, 255, 255, 0.3);
  position: relative;
  overflow: hidden;
}

.scroll-indicator__line::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 30%;
  background-color: var(--color-bg);
  animation: scrollDown 2.4s var(--ease-out) infinite;
}

@keyframes heroFade {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scrollDown {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(333%); }
}

@media (max-width: 768px) {
  .hero__content {
    left: var(--container-pad-sp);
    right: var(--container-pad-sp);
    bottom: 90px;
  }

  .hero__meta {
    display: none;
  }

  .scroll-indicator {
    bottom: 24px;
  }
}


/* ----------------------------------------------------------
   6-2. Philosophy
   ---------------------------------------------------------- */
.philosophy {
  padding: var(--space-2xl) 0 180px;
}

.philosophy__grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 100px;
  align-items: start;
}

.philosophy__title {
  font-size: clamp(48px, 6vw, 86px);
}

.philosophy__title small {
  display: block;
  margin-top: 28px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-text-mute);
}

.philosophy__right {
  padding-top: 12px;
}

.philosophy__lead {
  margin-bottom: 44px;
  font-size: 20px;
  letter-spacing: 0.16em;
}

.philosophy__text {
  max-width: 500px;
  margin-bottom: 28px;
  font-size: 14px;
  line-height: 2.4;
  color: var(--color-text-sub);
}

.philosophy__signature {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--color-line-soft);
}

.philosophy__sig-script {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 24px;
  color: var(--color-green);
  letter-spacing: 0.02em;
}

.philosophy__sig-name {
  font-family: var(--font-jp-serif);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--color-text-sub);
}

.philosophy__sig-role {
  margin-top: 4px;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-mute);
}

/* Feature block below the two-column grid */
.philosophy__feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: end;
  margin-top: 120px;
}

.philosophy__feature-image {
  aspect-ratio: 4 / 5;
}

.philosophy__quote-mark {
  display: block;
  margin-bottom: 24px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 60px;
  line-height: 0.5;
  color: var(--color-green);
}

.philosophy__quote-text {
  font-family: var(--font-jp-serif);
  font-size: 18px;
  font-weight: 300;
  line-height: 2.2;
  letter-spacing: 0.1em;
}

.philosophy__caption {
  margin-top: 16px;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-mute);
}

@media (max-width: 900px) {
  .philosophy__grid,
  .philosophy__feature {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .philosophy__feature {
    margin-top: 72px;
  }
}


/* ----------------------------------------------------------
   6-3. Works
   ---------------------------------------------------------- */
.works {
  padding: 160px 0 var(--space-2xl);
}

.works__head-right {
  text-align: right;
  padding-bottom: 12px;
}

.works__head-desc {
  margin-bottom: var(--space-sm);
  font-family: var(--font-jp-serif);
  font-size: 14px;
  letter-spacing: 0.16em;
  color: var(--color-text-sub);
  line-height: 2;
}

/* Asymmetric masonry-style grid */
.works__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 48px 32px;
}

.works__item:nth-child(1) { grid-column: 1 / span 7; }
.works__item:nth-child(2) { grid-column: 9 / span 4; margin-top: 140px; }
.works__item:nth-child(3) { grid-column: 3 / span 7; margin-top: 60px; }

.works__item {
  display: block;
  cursor: pointer;
}

/* Image wrapper with hover overlay */
.works__image-wrap {
  position: relative;
  margin-bottom: 28px;
  overflow: hidden;
  background-color: var(--color-bg-alt);
}

.works__image-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(58, 74, 58, 0);
  pointer-events: none;
  transition: background-color var(--duration-slow) var(--ease-out);
}

.works__item:hover .works__image-wrap::after {
  background-color: rgba(58, 74, 58, 0.08);
}

.works__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.6s var(--ease-out);
}

.works__item:hover .works__image-wrap img {
  transform: scale(1.06);
}

/* Aspect ratios — each card differs intentionally */
.works__item:nth-child(1) .works__image-wrap { aspect-ratio: 4 / 3; }
.works__item:nth-child(2) .works__image-wrap { aspect-ratio: 3 / 4; }
.works__item:nth-child(3) .works__image-wrap { aspect-ratio: 16 / 10; }

.works__badge {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 2;
  padding: 6px 12px;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-bg);
  background-color: rgba(34, 34, 34, 0.65);
  backdrop-filter: blur(8px);
}

.works__meta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: end;
}

.works__category {
  display: inline-block;
  margin-bottom: 14px;
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-green);
}

.works__title {
  font-family: var(--font-jp-serif);
  font-size: 22px;
  font-weight: 300;
  letter-spacing: 0.1em;
  line-height: 1.5;
  margin-bottom: 6px;
}

.works__title-en {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 15px;
  color: var(--color-text-mute);
  letter-spacing: 0.04em;
}

.works__num {
  text-align: right;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--color-text-mute);
}

.works__num strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 28px;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

@media (max-width: 900px) {
  .works { padding: 100px 0; }
  .works__head-right { text-align: left; }
  .works__grid { gap: 60px 16px; }

  .works__item:nth-child(1),
  .works__item:nth-child(2),
  .works__item:nth-child(3) {
    grid-column: 1 / -1;
    margin-top: 0;
  }
}


/* ----------------------------------------------------------
   6-4. Materials
   ---------------------------------------------------------- */
.materials {
  padding: var(--space-2xl) 0;
  background-color: var(--color-bg-dark);
  color: var(--color-bg);
  overflow: hidden;
}

/* Override label color for dark bg */
.materials .label {
  color: var(--color-green-pale);
}

.materials .label::before {
  background-color: var(--color-green-pale);
}

.materials__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 110px;
  align-items: center;
}

.materials__image-wrap {
  position: relative;
}

.materials__image {
  aspect-ratio: 4 / 5;
}

.materials__image-secondary {
  position: absolute;
  bottom: -50px;
  right: -60px;
  width: 48%;
  aspect-ratio: 1 / 1;
  border: 10px solid var(--color-bg-dark);
  z-index: 2;
}

.materials__image-tag {
  position: absolute;
  top: 24px;
  left: 24px;
  z-index: 2;
  padding: 6px 14px;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-bg);
  background-color: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
}

.materials__title {
  margin-top: 32px;
  margin-bottom: 36px;
  font-size: clamp(44px, 5.5vw, 78px);
}

.materials__title-jp {
  margin-bottom: 44px;
  font-family: var(--font-jp-serif);
  font-size: 18px;
  font-weight: 300;
  letter-spacing: 0.18em;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.85);
}

.materials__text {
  max-width: 500px;
  margin-bottom: 24px;
  font-size: 14px;
  line-height: 2.4;
  color: rgba(255, 255, 255, 0.75);
}

.materials__list {
  margin-top: 56px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.materials__list-item {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 13px;
  letter-spacing: 0.1em;
  align-items: baseline;
}

.materials__list-num {
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--color-green-pale);
}

.materials__list-jp {
  font-family: var(--font-jp-serif);
  color: var(--color-bg);
}

.materials__list-en {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
}

@media (max-width: 900px) {
  .materials__grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .materials__image-secondary {
    width: 48%;
    bottom: -30px;
    right: -16px;
    border-width: 6px;
  }
}


/* ----------------------------------------------------------
   6-5. Flow
   ---------------------------------------------------------- */
.flow {
  padding: var(--space-2xl) 0 180px;
}

.flow__head {
  text-align: center;
  margin-bottom: 120px;
}

.flow__head .label {
  justify-content: center;
}

.flow__sub {
  display: block;
  margin-top: 28px;
  font-family: var(--font-jp-serif);
  font-size: 14px;
  letter-spacing: 0.3em;
  color: var(--color-text-sub);
}

.flow__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--color-line-soft);
}

.flow__item {
  position: relative;
  padding: 56px 28px 32px;
  border-right: 1px solid var(--color-line-soft);
  transition: background-color var(--duration-base) var(--ease-out);
}

.flow__item:last-child {
  border-right: none;
}

.flow__item:hover {
  background-color: var(--color-bg-alt);
}

/* Top dot on the timeline rule */
.flow__item::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 28px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--color-bg);
  border: 1px solid var(--color-green);
  transition: background-color var(--duration-base) var(--ease-out),
              transform          var(--duration-base) var(--ease-out);
}

.flow__item:hover::before {
  background-color: var(--color-green);
  transform: scale(1.3);
}

.flow__num {
  display: block;
  margin-bottom: 36px;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--color-green);
}

.flow__title {
  font-family: var(--font-jp-serif);
  font-size: 18px;
  font-weight: 300;
  letter-spacing: 0.14em;
  line-height: 1.6;
  margin-bottom: 8px;
}

.flow__title-en {
  display: block;
  margin-bottom: 24px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--color-text-mute);
}

.flow__desc {
  font-size: 12px;
  line-height: 2;
  letter-spacing: 0.04em;
  color: var(--color-text-sub);
}

.flow__duration {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px dashed var(--color-line);
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-mute);
}

@media (max-width: 900px) {
  .flow { padding: 100px 0; }
  .flow__head { margin-bottom: 60px; }
  .flow__grid { grid-template-columns: 1fr; border-top: none; }

  .flow__item {
    padding: 32px 0;
    border-right: none;
    border-bottom: 1px solid var(--color-line-soft);
  }

  .flow__item:last-child { border-bottom: none; }
  .flow__item::before { display: none; }
}


/* ----------------------------------------------------------
   6-6. News
   ---------------------------------------------------------- */
.news {
  padding: 160px 0;
}

.news__list {
  border-top: 1px solid var(--color-line);
}

.news__item {
  border-bottom: 1px solid var(--color-line);
}

.news__item-link {
  display: grid;
  grid-template-columns: 140px 130px 1fr 40px;
  gap: 40px;
  padding: 36px 8px;
  align-items: center;
  transition: padding-left var(--duration-base) var(--ease-out);
}

.news__item:hover .news__item-link {
  padding-left: 24px;
}

.news__date {
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.1em;
}

.news__category {
  display: inline-block;
  padding: 6px 14px;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-green);
  border: 1px solid var(--color-green);
}

.news__headline {
  font-family: var(--font-jp-serif);
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 0.1em;
  line-height: 1.8;
}

.news__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin-left: auto;
  border-radius: 50%;
  border: 1px solid var(--color-line);
  transition:
    background-color var(--duration-base) var(--ease-out),
    border-color     var(--duration-base) var(--ease-out);
}

.news__arrow svg {
  width: 12px;
  height: 6px;
  transition: transform var(--duration-base) var(--ease-out),
              color     var(--duration-base) var(--ease-out);
}

.news__item:hover .news__arrow {
  background-color: var(--color-green);
  border-color: var(--color-green);
}

.news__item:hover .news__arrow svg {
  color: var(--color-bg);
  transform: translateX(2px);
}

@media (max-width: 900px) {
  .news { padding: 100px 0; }

  .news__item-link {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 28px 0;
  }

  .news__arrow { display: none; }
}


/* ----------------------------------------------------------
   6-7. Contact CTA
   ---------------------------------------------------------- */
.cta {
  position: relative;
  padding: var(--space-2xl) 0;
  overflow: hidden;
}

.cta__decoration {
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  opacity: 0.6;
  pointer-events: none;
}

.cta__decoration img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  mask-image: linear-gradient(270deg, rgba(0,0,0,1) 0%, rgba(0,0,0,0.3) 50%, transparent 100%);
  -webkit-mask-image: linear-gradient(270deg, rgba(0,0,0,1) 0%, rgba(0,0,0,0.3) 50%, transparent 100%);
}

.cta__inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.cta__heading {
  margin-bottom: 40px;
  font-size: clamp(72px, 9vw, 140px);
  line-height: 0.95;
}

.cta__title {
  margin-bottom: 36px;
  font-family: var(--font-jp-serif);
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 200;
  letter-spacing: 0.14em;
  line-height: 1.9;
}

.cta__text {
  max-width: 540px;
  margin-bottom: 56px;
  font-size: 14px;
  line-height: 2.4;
  color: var(--color-text-sub);
}

.cta__actions {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.cta__tel {
  display: flex;
  flex-direction: column;
  padding-left: 32px;
  border-left: 1px solid var(--color-line);
}

.cta__tel-label {
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-text-mute);
  margin-bottom: 6px;
}

.cta__tel-num {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.06em;
}

.cta__tel-hours {
  margin-top: 4px;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--color-text-mute);
}

@media (max-width: 900px) {
  .cta { padding: 100px 0; }
  .cta__decoration { display: none; }

  .cta__actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .cta__tel {
    padding-left: 0;
    padding-top: 16px;
    border-left: none;
    border-top: 1px solid var(--color-line);
    width: 100%;
  }
}


/* ============================================================
   7. Site Footer
   ============================================================ */
.site-footer {
  padding: 100px 0 32px;
  background-color: var(--color-text);
  color: rgba(255, 255, 255, 0.7);
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 80px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Brand column */
.site-footer__brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 36px;
  color: var(--color-bg);
}

.site-footer__brand .logo__icon::before,
.site-footer__brand .logo__icon::after {
  background-color: var(--color-bg);
}

.site-footer__brand-mark {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.16em;
}

.site-footer__brand-sub {
  font-family: var(--font-jp);
  font-size: 9px;
  font-weight: 300;
  letter-spacing: 0.45em;
  opacity: 0.7;
}

.site-footer__tagline {
  max-width: 320px;
  margin-bottom: 36px;
  font-family: var(--font-jp-serif);
  font-size: 15px;
  line-height: 2;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.6);
}

/* Newsletter */
.site-footer__newsletter-label {
  margin-bottom: 12px;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.site-footer__newsletter-form {
  display: flex;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.site-footer__newsletter-input {
  flex: 1;
  padding: 12px 0;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--color-bg);
}

.site-footer__newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.site-footer__newsletter-submit {
  padding: 0 8px;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-bg);
  transition: color var(--duration-base) var(--ease-out);
}

.site-footer__newsletter-submit:hover {
  color: var(--color-green-pale);
}

/* Footer nav columns */
.site-footer__col-title {
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.site-footer__nav-list li {
  margin-bottom: 14px;
}

.site-footer__nav-list a {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--duration-base) var(--ease-out),
              padding-left var(--duration-base) var(--ease-out);
}

.site-footer__nav-list a:hover {
  color: var(--color-bg);
  padding-left: 6px;
}

/* Address */
.site-footer__address {
  font-size: 13px;
  line-height: 2;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.7);
}

.site-footer__address strong {
  font-weight: 400;
  color: var(--color-bg);
}

/* Social icons */
.site-footer__social {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}

.site-footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition:
    border-color     var(--duration-base) var(--ease-out),
    background-color var(--duration-base) var(--ease-out);
}

.site-footer__social-link:hover {
  border-color: var(--color-green-pale);
  background-color: rgba(184, 234, 184, 0.08);
}

.site-footer__social-link svg {
  width: 15px;
  height: 15px;
  fill: rgba(255, 255, 255, 0.7);
}

/* Bottom bar */
.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.35);
}

.site-footer__bottom-links {
  display: flex;
  gap: 32px;
}

@media (max-width: 900px) {
  .site-footer { padding: 60px 0 24px; }
  .site-footer__top { grid-template-columns: 1fr; gap: 48px; padding-bottom: 48px; }
  .site-footer__bottom { flex-direction: column; gap: 16px; text-align: center; }
}


/* ============================================================
   8. Animations & Reveal
   ============================================================ */

/* Reveal: fade + rise */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity   var(--duration-reveal) var(--ease-out),
    transform var(--duration-reveal) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Reveal: image wipe (mask slides away) */
.reveal-image {
  position: relative;
  overflow: hidden;
}

.reveal-image::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background-color: var(--color-bg);
  transform-origin: right;
  transition: transform 1.4s var(--ease-out);
}

/* Dark-bg sections need a dark wipe mask */
.materials .reveal-image::before {
  background-color: var(--color-bg-dark);
}

.reveal-image.is-visible::before {
  transform: scaleX(0);
}

.reveal-image img {
  transform: scale(1.12);
  transition: transform 1.8s var(--ease-out);
}

.reveal-image.is-visible img {
  transform: scale(1);
}

/* Staggered delay helpers */
.reveal-d1 { transition-delay: 0.10s; }
.reveal-d2 { transition-delay: 0.20s; }
.reveal-d3 { transition-delay: 0.30s; }
.reveal-d4 { transition-delay: 0.40s; }


/* ============================================================
   9. Utility Classes
   ============================================================ */
.u-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.u-text-mute  { color: var(--color-text-mute); }
.u-text-green { color: var(--color-green); }
.u-mb-sm { margin-bottom: var(--space-sm); }
.u-mb-md { margin-bottom: var(--space-md); }
.u-mb-lg { margin-bottom: var(--space-lg); }

/* ============================================================
   10. Sub-page Common
       下層ページ共通レイアウト（about / works / flow / news / contact）
   ============================================================ */

/* ----------------------------------------------------------
   Page MV (Main Visual for sub-pages)
   ---------------------------------------------------------- */
.page-mv {
  position: relative;
  height: 75vh;
  min-height: 480px;
  max-height: 720px;
  overflow: hidden;
  background-color: var(--color-bg-dark);
}

.page-mv__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
  transform: scale(1.06);
  animation: heroZoom 2.4s var(--ease-out) forwards;object-position: center  ; 
}

.page-mv__overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(0,0,0,0.10) 0%,
    rgba(0,0,0,0)    30%,
    rgba(0,0,0,0.28) 100%
  );
}

.page-mv__inner {
  position: absolute;
  bottom: 80px;
  left: var(--container-pad);
  right: var(--container-pad);
  color: var(--color-bg);
  z-index: 2;
}

.page-mv__label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.45em;
  text-transform: uppercase;
  opacity: 0;
  animation: heroFade 0.9s var(--ease-out) 0.6s forwards;
}

.page-mv__label::before {
  content: "";
  width: 24px;
  height: 1px;
  background-color: var(--color-green-pale);
  flex-shrink: 0;
}

.page-mv__title {
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 108px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.02em;
  opacity: 0;
  animation: heroFade 1.1s var(--ease-out) 0.8s forwards;
}

.page-mv__title em {
  font-style: italic;
  color: var(--color-green);
}

.page-mv__sub {
  display: block;
  margin-top: 20px;
  font-family: var(--font-jp-serif);
  font-size: clamp(14px, 1.4vw, 18px);
  font-weight: 200;
  letter-spacing: 0.2em;
  opacity: 0;
  animation: heroFade 0.9s var(--ease-out) 1.1s forwards;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-line-soft);
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--color-text-mute);
}

.breadcrumb a {
  transition: color var(--duration-base) var(--ease-out);
}

.breadcrumb a:hover {
  color: var(--color-green);
}

.breadcrumb__sep {
  font-size: 10px;
  opacity: 0.5;
}

.breadcrumb__current {
  color: var(--color-text);
}

/* Active nav state for current page */
.site-nav__link[aria-current="page"] {
  color: var(--color-green);
}

.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  background-color: var(--color-green);
}

@media (max-width: 768px) {
  .page-mv__inner {
    left: var(--container-pad-sp);
    right: var(--container-pad-sp);
    bottom: 52px;
  }
}


/* ============================================================
   11. About Page
   ============================================================ */

/* ----------------------------------------------------------
   About — Philosophy
   ---------------------------------------------------------- */
.about-philosophy {
  padding: 180px 0 160px;
}

.about-philosophy__grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 100px;
  align-items: start;
}

.about-philosophy__index {
  position: sticky;
  top: 140px;
}

.about-philosophy__index-num {
  font-family: var(--font-display);
  font-size: 88px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-line);
  display: block;
  margin-bottom: 24px;
}

.about-philosophy__index-title {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-mute);
}

.about-philosophy__body {
  /* right column */
}

.about-philosophy__heading {
  font-size: clamp(36px, 4vw, 52px);
  margin-bottom: 56px;
}

.about-philosophy__block {
  margin-bottom: 72px;
  padding-bottom: 72px;
  border-bottom: 1px solid var(--color-line-soft);
}

.about-philosophy__block:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.about-philosophy__block-label {
  display: block;
  margin-bottom: 28px;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-green);
}

.about-philosophy__block-title {
  font-family: var(--font-jp-serif);
  font-size: 22px;
  font-weight: 300;
  letter-spacing: 0.14em;
  line-height: 1.7;
  margin-bottom: 32px;
  color: var(--color-text);
}

.about-philosophy__text {
  font-size: 14px;
  line-height: 2.6;
  color: var(--color-text-sub);
  max-width: 640px;
}

.about-philosophy__text + .about-philosophy__text {
  margin-top: 24px;
}

.about-philosophy__image {
  margin-top: 48px;
  aspect-ratio: 16 / 9;
  max-width: 560px;
}

@media (max-width: 900px) {
  .about-philosophy { padding: 100px 0; }
  .about-philosophy__grid { grid-template-columns: 1fr; gap: 48px; }
  .about-philosophy__index { position: static; }
  .about-philosophy__index-num { font-size: 56px; margin-bottom: 12px; }
}


/* ----------------------------------------------------------
   About — Message
   ---------------------------------------------------------- */
.about-message {
  padding: 0 0 180px;
}

.about-message__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}

.about-message__image-wrap {
  position: relative;
}

.about-message__image {
  aspect-ratio: 3 / 4;
}

.about-message__image-caption {
  margin-top: 16px;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-mute);
}

.about-message__content {
  padding: 40px 0;
}

.about-message__heading {
  font-size: clamp(36px, 4vw, 52px);
  margin-bottom: 16px;
}

.about-message__heading-jp {
  display: block;
  margin-bottom: 56px;
  font-family: var(--font-jp-serif);
  font-size: 15px;
  letter-spacing: 0.2em;
  color: var(--color-text-mute);
}

.about-message__text {
  font-family: var(--font-jp-serif);
  font-size: 15px;
  font-weight: 300;
  line-height: 2.8;
  letter-spacing: 0.08em;
  color: var(--color-text-sub);
  max-width: 520px;
}

.about-message__text + .about-message__text {
  margin-top: 28px;
}

.about-message__signature {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--color-line-soft);
}

.about-message__sig-script {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 28px;
  color: var(--color-green);
  letter-spacing: 0.02em;
}

.about-message__sig-detail {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.about-message__sig-name {
  font-family: var(--font-jp-serif);
  font-size: 15px;
  font-weight: 300;
  letter-spacing: 0.16em;
}

.about-message__sig-role {
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-mute);
}

@media (max-width: 900px) {
  .about-message { padding: 0 0 100px; }
  .about-message__grid { grid-template-columns: 1fr; gap: 60px; }
  .about-message__content { padding: 0; }
}


/* ----------------------------------------------------------
   About — Material
   ---------------------------------------------------------- */
.about-material {
  padding: 180px 0;
  background-color: var(--color-bg-dark);
  color: var(--color-bg);
  overflow: hidden;
}

.about-material .label {
  color: var(--color-green-pale);
}

.about-material .label::before {
  background-color: var(--color-green-pale);
}

.about-material__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  margin-top: 80px;
}

.about-material__image-primary {
  aspect-ratio: 4 / 5;
}

.about-material__image-secondary {
  aspect-ratio: 1 / 1;
  margin-top: 48px;
}

.about-material__content {
  padding-top: 16px;
}

.about-material__heading {
  font-size: clamp(40px, 5vw, 68px);
  margin-bottom: 20px;
  color: var(--color-bg);
}

.about-material__heading-jp {
  display: block;
  margin-bottom: 48px;
  font-family: var(--font-jp-serif);
  font-size: 16px;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.7);
}

.about-material__text {
  font-size: 14px;
  line-height: 2.5;
  color: rgba(255,255,255,0.72);
  max-width: 480px;
}

.about-material__text + .about-material__text {
  margin-top: 24px;
}

/* Material specs table */
.about-material__specs {
  margin-top: 64px;
  width: 100%;
  border-collapse: collapse;
}

.about-material__specs th,
.about-material__specs td {
  padding: 18px 0;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  font-size: 13px;
  letter-spacing: 0.08em;
  vertical-align: top;
}

.about-material__specs th {
  width: 120px;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-green-pale);
  font-weight: 400;
  padding-right: 24px;
}

.about-material__specs td {
  color: rgba(255,255,255,0.8);
  font-family: var(--font-jp-serif);
  font-weight: 300;
}

@media (max-width: 900px) {
  .about-material { padding: 100px 0; }
  .about-material__grid { grid-template-columns: 1fr; gap: 40px; }
  .about-material__image-secondary { margin-top: 0; aspect-ratio: 16/10; }
}


/* ----------------------------------------------------------
   About — Company
   ---------------------------------------------------------- */
.about-company {
  padding: 180px 0 160px;
}

.about-company__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 120px;
  margin-top: 80px;
  align-items: start;
}

.about-company__lead {
  position: sticky;
  top: 140px;
}

.about-company__lead-title {
  font-size: clamp(40px, 5vw, 68px);
  margin-bottom: 32px;
}

.about-company__lead-text {
  font-size: 14px;
  line-height: 2.4;
  color: var(--color-text-sub);
  max-width: 360px;
}

/* Company profile table */
.about-company__table {
  width: 100%;
  border-collapse: collapse;
}

.about-company__table tr {
  border-bottom: 1px solid var(--color-line-soft);
  transition: background-color var(--duration-fast) var(--ease-out);
}

.about-company__table tr:first-child {
  border-top: 1px solid var(--color-line-soft);
}

.about-company__table tr:hover {
  background-color: var(--color-bg-alt);
}

.about-company__table th {
  width: 180px;
  padding: 28px 24px 28px 0;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-text-mute);
  vertical-align: top;
  white-space: nowrap;
}

.about-company__table td {
  padding: 28px 0;
  font-size: 14px;
  line-height: 2;
  letter-spacing: 0.06em;
  color: var(--color-text);
  vertical-align: top;
}

.about-company__table td a {
  color: var(--color-green);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-base) var(--ease-out);
}

.about-company__table td a:hover {
  border-bottom-color: var(--color-green);
}

@media (max-width: 900px) {
  .about-company { padding: 100px 0; }
  .about-company__grid { grid-template-columns: 1fr; gap: 60px; }
  .about-company__lead { position: static; }
  .about-company__table th { width: 120px; font-size: 10px; }
}


/* section-head on dark background */
.section-head--on-dark {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

/* Material specs table note text */
.about-material__spec-note {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  opacity: 0.65;
  font-style: normal;
  letter-spacing: 0.04em;
  font-family: var(--font-jp);
}


/* ============================================================
   12. Works List Page
   ============================================================ */

/* ----------------------------------------------------------
   Filter bar
   ---------------------------------------------------------- */
.works-filter {
  padding: 56px 0 0;
}

.works-filter__inner {
  display: flex;
  align-items: center;
  gap: 0;
  border-bottom: 1px solid var(--color-line-soft);
  padding-bottom: 0;
}

.works-filter__label {
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-text-mute);
  margin-right: 36px;
  flex-shrink: 0;
}

.works-filter__list {
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.works-filter__list::-webkit-scrollbar {
  display: none;
}

.works-filter__btn {
  position: relative;
  padding: 20px 28px;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-mute);
  white-space: nowrap;
  transition: color var(--duration-base) var(--ease-out);
  background: none;
  border: none;
  cursor: pointer;
}

.works-filter__btn::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-text);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
}

.works-filter__btn:hover {
  color: var(--color-text);
}

.works-filter__btn.is-active {
  color: var(--color-text);
}

.works-filter__btn.is-active::after {
  transform: scaleX(1);
}

.works-filter__count {
  font-size: 9px;
  vertical-align: super;
  margin-left: 4px;
  color: var(--color-green);
  letter-spacing: 0.1em;
}

@media (max-width: 768px) {
  .works-filter__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .works-filter__label { margin-right: 0; }
  .works-filter__btn { padding: 14px 20px 14px 0; }
}


/* ----------------------------------------------------------
   Works list grid (一覧ページ専用の拡張グリッド)
   TOP の .works__* コンポーネントを流用しつつ
   nth-child 制約を外してカード数に対応
   ---------------------------------------------------------- */
.works-list {
  padding: 80px 0 200px;
}

.works-list__count {
  margin-bottom: 64px;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--color-text-mute);
}

.works-list__count strong {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.04em;
  margin-right: 8px;
}

/* Grid override — 一覧では固定2カラム+オフセット演出 */
.works-list__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 80px 32px;
}

/* カードごとに異なるカラムスパン・オフセットで非均一感を出す */
.works-list__grid .works__item:nth-child(6n+1) {
  grid-column: 1 / span 7;
  margin-top: 0;
}

.works-list__grid .works__item:nth-child(6n+2) {
  grid-column: 9 / span 4;
  margin-top: 100px;
}

.works-list__grid .works__item:nth-child(6n+3) {
  grid-column: 3 / span 6;
  margin-top: 40px;
}

.works-list__grid .works__item:nth-child(6n+4) {
  grid-column: 1 / span 5;
  margin-top: 0;
}

.works-list__grid .works__item:nth-child(6n+5) {
  grid-column: 7 / span 6;
  margin-top: 120px;
}

.works-list__grid .works__item:nth-child(6n+6) {
  grid-column: 2 / span 7;
  margin-top: 40px;
}

/* アスペクト比のバリエーション */
.works-list__grid .works__item:nth-child(6n+1) .works__image-wrap { aspect-ratio: 4 / 3; }
.works-list__grid .works__item:nth-child(6n+2) .works__image-wrap { aspect-ratio: 3 / 4; }
.works-list__grid .works__item:nth-child(6n+3) .works__image-wrap { aspect-ratio: 16 / 10; }
.works-list__grid .works__item:nth-child(6n+4) .works__image-wrap { aspect-ratio: 3 / 4; }
.works-list__grid .works__item:nth-child(6n+5) .works__image-wrap { aspect-ratio: 4 / 3; }
.works-list__grid .works__item:nth-child(6n+6) .works__image-wrap { aspect-ratio: 16 / 9; }

/* Filter で非表示になるカード */
.works__item.is-hidden {
  display: none;
}

@media (max-width: 900px) {
  .works-list { padding: 60px 0 120px; }
  .works-list__grid { gap: 60px 0; }

  .works-list__grid .works__item:nth-child(6n+1),
  .works-list__grid .works__item:nth-child(6n+2),
  .works-list__grid .works__item:nth-child(6n+3),
  .works-list__grid .works__item:nth-child(6n+4),
  .works-list__grid .works__item:nth-child(6n+5),
  .works-list__grid .works__item:nth-child(6n+6) {
    grid-column: 1 / -1;
    margin-top: 0;
  }
}


/* ============================================================
   13. Flow Page
   ============================================================ */

/* ----------------------------------------------------------
   Flow intro — ページ固有のリード文エリア
   ---------------------------------------------------------- */
.flow-page__intro {
  padding: 100px 0 80px;
  border-bottom: 1px solid var(--color-line-soft);
}

.flow-page__intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 100px;
  align-items: end;
}

.flow-page__intro-title {
  font-size: clamp(52px, 7vw, 96px);
}

.flow-page__intro-text {
  max-width: 520px;
  font-size: 14px;
  line-height: 2.6;
  color: var(--color-text-sub);
}

.flow-page__intro-note {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--color-line-soft);
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--color-text-mute);
}

.flow-page__intro-note strong {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

@media (max-width: 900px) {
  .flow-page__intro { padding: 60px 0; }
  .flow-page__intro-grid { grid-template-columns: 1fr; gap: 48px; }
}


/* ----------------------------------------------------------
   Flow steps — 縦積みの詳細ステップ（下層ページ専用）
   ---------------------------------------------------------- */
.flow-page__steps {
  padding: 120px 0 200px;
}

.flow-step {
  display: grid;
  grid-template-columns: 80px 1fr 1fr;
  gap: 0 80px;
  padding: 80px 0;
  border-bottom: 1px solid var(--color-line-soft);
  position: relative;
}

.flow-step:first-child {
  border-top: 1px solid var(--color-line-soft);
}

/* 縦の連続線 */
.flow-step__num-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding-top: 4px;
}

.flow-step__num {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.25em;
  color: var(--color-green);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.flow-step__line {
  flex: 1;
  width: 1px;
  min-height: 40px;
  margin-top: 16px;
  background: linear-gradient(to bottom, var(--color-green), var(--color-line-soft));
  opacity: 0.4;
}

.flow-step:last-child .flow-step__line {
  display: none;
}

/* Left col */
.flow-step__left {
  padding-top: 2px;
}

.flow-step__title {
  font-family: var(--font-jp-serif);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 300;
  letter-spacing: 0.12em;
  line-height: 1.5;
  margin-bottom: 8px;
}

.flow-step__title-en {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--color-text-mute);
  margin-bottom: 32px;
}

.flow-step__duration {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  border: 1px solid var(--color-line);
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-mute);
}

.flow-step__duration::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-green);
  flex-shrink: 0;
}

/* Right col */
.flow-step__right {
  padding-top: 2px;
}

.flow-step__desc {
  font-size: 14px;
  line-height: 2.6;
  color: var(--color-text-sub);
  margin-bottom: 24px;
}

.flow-step__checklist {
  margin-top: 32px;
  border-top: 1px dashed var(--color-line);
}

.flow-step__check {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--color-line);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--color-text-sub);
}

.flow-step__check::before {
  content: "—";
  font-family: var(--font-body);
  font-size: 10px;
  color: var(--color-green);
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .flow-page__steps { padding: 80px 0 120px; }

  .flow-step {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 56px 0;
  }

  .flow-step__num-wrap {
    flex-direction: row;
    align-items: center;
    writing-mode: horizontal-tb;
  }

  .flow-step__num {
    writing-mode: horizontal-tb;
    font-size: 13px;
  }

  .flow-step__line { display: none; }
}


/* ============================================================
   14. News Page
   ============================================================ */

/* ----------------------------------------------------------
   News header row — ページ固有
   ---------------------------------------------------------- */
.news-page__head {
  padding: 80px 0 0;
}

/* ----------------------------------------------------------
   News featured — 最新記事を大きく
   ---------------------------------------------------------- */
.news-featured {
  padding: 80px 0;
  border-bottom: 1px solid var(--color-line-soft);
}

.news-featured__link {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.news-featured__image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--color-bg-alt);
}

.news-featured__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.6s var(--ease-out);
}

.news-featured__link:hover .news-featured__image img {
  transform: scale(1.04);
}

.news-featured__body {
  padding: 16px 0;
}

.news-featured__meta {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}

.news-featured__badge {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-bg);
  background-color: var(--color-green);
  padding: 6px 14px;
}

.news-featured__date {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.15em;
  color: var(--color-text-mute);
}

.news-featured__title {
  font-family: var(--font-jp-serif);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 300;
  line-height: 1.7;
  letter-spacing: 0.1em;
  margin-bottom: 28px;
  color: var(--color-text);
  transition: color var(--duration-base) var(--ease-out);
}

.news-featured__link:hover .news-featured__title {
  color: var(--color-green);
}

.news-featured__excerpt {
  font-size: 13px;
  line-height: 2.4;
  color: var(--color-text-sub);
  margin-bottom: 36px;
  max-width: 440px;
}

.news-featured__more {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-green);
  border-bottom: 1px solid var(--color-green);
  padding-bottom: 4px;
  transition: gap var(--duration-base) var(--ease-out);
}

.news-featured__link:hover .news-featured__more {
  gap: 20px;
}

.news-featured__more svg {
  width: 18px;
  height: 8px;
}

@media (max-width: 900px) {
  .news-featured__link {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .news-featured__body { padding: 0; }
}


/* ----------------------------------------------------------
   News list — 全件リスト（TOPの .news__* を流用＋追加）
   ---------------------------------------------------------- */
.news-page__list {
  padding: 80px 0 200px;
}

.news-page__filter {
  display: flex;
  gap: 0;
  margin-bottom: 56px;
  border-bottom: 1px solid var(--color-line-soft);
}

.news-page__filter-btn {
  position: relative;
  padding: 16px 24px;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-mute);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--duration-base) var(--ease-out);
  white-space: nowrap;
}

.news-page__filter-btn::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-text);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-base) var(--ease-out);
}

.news-page__filter-btn:hover { color: var(--color-text); }
.news-page__filter-btn.is-active { color: var(--color-text); }
.news-page__filter-btn.is-active::after { transform: scaleX(1); }

/* 詳細付きリストアイテム（下層ページのみ） */
.news__item-excerpt {
  display: none;
  margin-top: 8px;
  font-size: 13px;
  line-height: 2;
  color: var(--color-text-mute);
  max-width: 560px;
}

@media (min-width: 901px) {
  .news__item:hover .news__item-excerpt {
    display: block;
  }
}

@media (max-width: 768px) {
  .news-page__filter {
    overflow-x: auto;
    scrollbar-width: none;
  }
  .news-page__filter::-webkit-scrollbar { display: none; }
  .news-page__filter-btn { padding: 14px 16px; }
}

/* news filter — hidden state (works-filter と同パターン) */
.news__item.is-hidden {
  display: none;
}

/* menu open時 — headerを背景白で前面に出す */
.site-header.is-menu-open {
  background-color: var(--color-bg);
  border-bottom-color: var(--color-line-soft);
}

.site-header.is-menu-open .logo,
.site-header.is-menu-open .menu-toggle {
  mix-blend-mode: normal;
  color: var(--color-text);
}

/* ============================================================
   15. Contact Page
   ============================================================ */

/* ----------------------------------------------------------
   Contact intro
   ---------------------------------------------------------- */
.contact-intro {
  padding: 100px 0 80px;
  border-bottom: 1px solid var(--color-line-soft);
}

.contact-intro__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 100px;
  align-items: end;
}

.contact-intro__title {
  font-size: clamp(56px, 8vw, 112px);
}

.contact-intro__lead {
  font-size: 14px;
  line-height: 2.6;
  color: var(--color-text-sub);
  max-width: 480px;
  margin-bottom: 40px;
}

.contact-intro__note {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid var(--color-line-soft);
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--color-text-mute);
}

.contact-intro__note a {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--color-text);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-base) var(--ease-out);
}

.contact-intro__note a:hover {
  border-bottom-color: var(--color-text);
}

@media (max-width: 900px) {
  .contact-intro { padding: 60px 0; }
  .contact-intro__grid { grid-template-columns: 1fr; gap: 48px; }
}


/* ----------------------------------------------------------
   Contact form
   ---------------------------------------------------------- */
.contact-form-section {
  padding: 120px 0 200px;
}

.contact-form-section__grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 120px;
  align-items: start;
}

/* Left: sticky info */
.contact-form-section__info {
  position: sticky;
  top: 140px;
}

.contact-form-section__info-heading {
  font-size: clamp(32px, 3.5vw, 48px);
  margin-bottom: 40px;
}

.contact-info-list {
  margin-top: 8px;
}

.contact-info-item {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-line-soft);
}

.contact-info-item:first-child {
  border-top: 1px solid var(--color-line-soft);
}

.contact-info-item__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-body);
  font-size: 10px;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--color-text-mute);
}

.contact-info-item__value {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.06em;
  line-height: 1.8;
  color: var(--color-text);
}

.contact-info-item__value a {
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-base) var(--ease-out);
}

.contact-info-item__value a:hover {
  border-bottom-color: var(--color-text);
}

.contact-info-item__sub {
  display: block;
  margin-top: 6px;
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--color-text-mute);
}


/* ----------------------------------------------------------
   Form itself
   ---------------------------------------------------------- */
.contact-form {
  width: 100%;
}

/* Row: full-width or two-column */
.form-row {
  display: grid;
  gap: 32px;
  margin-bottom: 40px;
}

.form-row--2col {
  grid-template-columns: 1fr 1fr;
}

.form-row--1col {
  grid-template-columns: 1fr;
}

/* Field */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-field__label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-mute);
}

.form-field__required {
  font-size: 14px;
  color: var(--color-green);
  line-height: 1;
}

.form-field__input,
.form-field__select,
.form-field__textarea {
  width: 100%;
  padding: 18px 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 300;
  letter-spacing: 0.06em;
  color: var(--color-text);
  outline: none;
  transition: border-color var(--duration-base) var(--ease-out);
  appearance: none;
  -webkit-appearance: none;
  border-radius: 0;
}

.form-field__input::placeholder,
.form-field__textarea::placeholder {
  color: var(--color-line);
  font-weight: 300;
}

.form-field__input:focus,
.form-field__select:focus,
.form-field__textarea:focus {
  border-bottom-color: var(--color-text);
}

/* Select wrapper — カスタム矢印 */
.form-field__select-wrap {
  position: relative;
}

.form-field__select-wrap::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 1px solid var(--color-text-mute);
  border-bottom: 1px solid var(--color-text-mute);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

.form-field__select {
  cursor: pointer;
  padding-right: 24px;
}

.form-field__textarea {
  resize: none;
  height: 180px;
  line-height: 2;
}

/* Radio group */
.form-field__radios {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  padding: 8px 0;
}

.form-radio {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.form-radio__input {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--color-line);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  transition: border-color var(--duration-base) var(--ease-out);
  cursor: pointer;
}

.form-radio__input::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background-color: var(--color-green);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.form-radio__input:checked {
  border-color: var(--color-green);
}

.form-radio__input:checked::after {
  opacity: 1;
}

.form-radio__label {
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--color-text-sub);
  cursor: pointer;
}

/* Checkbox */
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  cursor: pointer;
  margin-top: 8px;
}

.form-checkbox__input {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 1px solid var(--color-line);
  flex-shrink: 0;
  margin-top: 2px;
  position: relative;
  transition: border-color var(--duration-base) var(--ease-out);
  cursor: pointer;
}

.form-checkbox__input::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 6px;
  width: 5px;
  height: 9px;
  border-right: 1px solid var(--color-green);
  border-bottom: 1px solid var(--color-green);
  transform: rotate(45deg);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.form-checkbox__input:checked {
  border-color: var(--color-green);
}

.form-checkbox__input:checked::after {
  opacity: 1;
}

.form-checkbox__label {
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: var(--color-text-sub);
  cursor: pointer;
}

.form-checkbox__label a {
  color: var(--color-green);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-base) var(--ease-out);
}

.form-checkbox__label a:hover {
  border-bottom-color: var(--color-green);
}

/* Divider between field groups */
.form-divider {
  margin: 56px 0;
  border: none;
  border-top: 1px solid var(--color-line-soft);
}

/* Submit area */
.form-submit {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 64px;
  padding-top: 48px;
  border-top: 1px solid var(--color-line-soft);
  flex-wrap: wrap;
}

.form-submit__note {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--color-text-mute);
  line-height: 1.9;
}

@media (max-width: 900px) {
  .contact-form-section { padding: 80px 0 120px; }
  .contact-form-section__grid { grid-template-columns: 1fr; gap: 60px; }
  .contact-form-section__info { position: static; }
  .form-row--2col { grid-template-columns: 1fr; }
  .form-submit { flex-direction: column; align-items: flex-start; gap: 24px; }
}