@charset "UTF-8";

/* =========================================================
   KOKETSU A.D.
   Maintenance Page

   読み込み順
   1. ../common/base.css
   2. ../common/lifestyle.css
   3. style.css
========================================================= */


/* =========================================================
   Page
========================================================= */

.maintenance-page {
  width: 100%;
  overflow: hidden;
  color: var(--color-text);
  background: var(--color-bg);
}


/* =========================================================
   HERO
========================================================= */

.maintenance-hero {
  position: relative;
  min-height: 82vh;
  overflow: hidden;
  color: var(--color-white);
  background: var(--color-black);
}

.maintenance-hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.maintenance-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.58) 0%,
      rgba(0, 0, 0, 0.32) 42%,
      rgba(0, 0, 0, 0.08) 100%
    );
}

.maintenance-hero__content {
  position: relative;
  z-index: 2;
  width: min(
    var(--content-width),
    calc(100% - (var(--side-space-pc) * 2))
  );
  min-height: 82vh;
  margin-inline: auto;
  padding-block: 110px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.maintenance-hero__label {
  margin-bottom: 28px;
  font-family: var(--font-en);
  font-size: var(--hero-label-size);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: var(--letter-spacing-label);
  text-transform: uppercase;
}

.maintenance-hero__title {
  max-width: 920px;
  font-size: var(--hero-title-size);
  font-weight: var(--hero-title-weight);
  line-height: var(--hero-title-line-height);
  letter-spacing: var(--hero-title-letter-spacing);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.24);
}

.maintenance-hero__scroll {
  position: absolute;
  bottom: 34px;
  left: 50%;
  z-index: 2;
  padding: 8px 12px;
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.2em;
  transform: translateX(-50%);
  transition: opacity var(--transition-fast);
}

.maintenance-hero__scroll::after {
  content: "";
  display: block;
  width: 1px;
  height: 30px;
  margin: 10px auto 0;
  background: currentColor;
}

.maintenance-hero__scroll:hover {
  opacity: 0.65;
}


/* =========================================================
   Common Section
========================================================= */

.maintenance-section {
  padding: var(--section-space-pc) 0;
}

.maintenance-container {
  width: min(
    var(--content-width),
    calc(100% - (var(--side-space-pc) * 2))
  );
  margin-inline: auto;
}

.maintenance-container--narrow {
  width: min(
    var(--content-width-narrow),
    calc(100% - (var(--side-space-pc) * 2))
  );
  margin-inline: auto;
}

.maintenance-section__label {
  margin-bottom: 26px;
  font-family: var(--font-en);
  font-size: var(--font-size-label);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: var(--letter-spacing-label);
  color: var(--color-sub);
  text-transform: uppercase;
}

.maintenance-section__title {
  margin: 0;
  font-size: clamp(30px, 3vw, 44px);
  font-weight: 500;
  line-height: var(--line-height-heading);
  letter-spacing: var(--letter-spacing-heading);
}

.maintenance-prose {
  margin-top: 42px;
  color: var(--color-text-soft);
}

.maintenance-prose p {
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
}

.maintenance-prose p + p {
  margin-top: 24px;
}

.maintenance-prose__emphasis {
  font-size: clamp(18px, 1.8vw, 22px) !important;
  font-weight: 500;
  line-height: 2 !important;
  letter-spacing: 0.07em;
  color: var(--color-text) !important;
}


/* =========================================================
   Introduction
========================================================= */

.maintenance-introduction {
  text-align: center;
  background: var(--color-bg);
}

.maintenance-introduction .maintenance-section__title {
  max-width: 760px;
  margin-inline: auto;
}

.maintenance-introduction .maintenance-prose {
  max-width: 700px;
  margin-inline: auto;
}


/* =========================================================
   Introduction Message
========================================================= */

.maintenance-message {
  position: relative;
  max-width: 760px;
  margin: 82px auto 0;
  padding: 58px 56px;
  border-top: 1px solid var(--color-border-dark);
  border-bottom: 1px solid var(--color-border-dark);
}

.maintenance-message::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 50%;
  width: 72px;
  height: 3px;
  background: var(--color-sub);
  transform: translateX(-50%);
}

.maintenance-message p {
  font-size: clamp(24px, 2.8vw, 38px);
  font-weight: 300;
  line-height: 1.9;
  letter-spacing: var(--letter-spacing-heading);
}

.maintenance-message strong {
  font-weight: 600;
  color: var(--color-text);
}


/* =========================================================
   Life Style Design
========================================================= */

.maintenance-lifestyle {
  background: var(--color-bg-white);
}

.maintenance-lifestyle__grid {
  display: grid;
  grid-template-columns:
    minmax(0, 0.9fr)
    minmax(420px, 1.1fr);
  gap: 90px;
  align-items: center;
}

.maintenance-lifestyle__text,
.maintenance-diagram {
  min-width: 0;
}


/* =========================================================
   Maintenance Order
========================================================= */

.maintenance-order {
  margin-top: 58px;
  padding: 30px 26px;
  display: grid;
  grid-template-columns:
    minmax(0, 1fr)
    34px
    minmax(0, 1fr)
    34px
    minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.maintenance-order__item {
  min-width: 0;
  text-align: center;
}

.maintenance-order__number {
  display: block;
  margin-bottom: 9px;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.18em;
  color: var(--color-sub);
}

.maintenance-order__item strong {
  display: block;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.7;
  letter-spacing: 0.06em;
}

.maintenance-order__arrow {
  color: var(--color-sub);
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 300;
  line-height: 1;
  text-align: center;
}


/* =========================================================
   Life Style Design Diagram
========================================================= */

.maintenance-diagram {
  margin: 0;
}

.maintenance-diagram__media {
  padding: 42px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.maintenance-diagram__image {
  display: block;
  width: 100%;
  height: auto;
}

.maintenance-diagram__caption {
  max-width: 540px;
  margin: 24px auto 0;
  font-size: var(--font-size-small);
  line-height: 2;
  text-align: center;
  color: var(--color-text-light);
}


/* =========================================================
   Case Story
========================================================= */

.maintenance-case {
  color: var(--color-white);
  background: var(--color-dark);
}

.maintenance-case__image {
  width: 100%;
  margin: 0 0 82px;
  overflow: hidden;
}

.maintenance-case__image img {
  display: block;
  width: 100%;
  height: clamp(340px, 40vw, 540px);
  object-fit: cover;
  object-position: center;
}

.maintenance-case__grid {
  display: grid;
  grid-template-columns:
    minmax(280px, 0.8fr)
    minmax(0, 1.2fr);
  gap: 90px;
  align-items: start;
}

.maintenance-case .maintenance-section__label {
  color: rgba(255, 255, 255, 0.58);
}

.maintenance-case .maintenance-prose {
  margin-top: 0;
  color: rgba(255, 255, 255, 0.8);
}

.maintenance-case__conclusion {
  margin-top: 58px;
  padding: 36px 40px;
  border-left: 2px solid rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.05);
}

.maintenance-case__conclusion p {
  color: rgba(255, 255, 255, 0.72);
}

.maintenance-case__conclusion strong {
  display: block;
  margin-top: 10px;
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.06em;
}


/* =========================================================
   Architect
========================================================= */

.maintenance-architect {
  background: var(--color-bg-white);
}

.maintenance-architect__visual-grid {
  display: grid;
  grid-template-columns:
    minmax(0, 1.05fr)
    minmax(360px, 0.95fr);
  gap: 80px;
  align-items: center;
}

.maintenance-architect__image {
  margin: 0;
  overflow: hidden;
  background: var(--color-bg);
}

.maintenance-architect__image img {
  display: block;
  width: 100%;
  height: clamp(460px, 48vw, 650px);
  object-fit: cover;
  object-position: center;
}

.maintenance-architect__intro {
  min-width: 0;
}

.maintenance-architect__intro .maintenance-prose {
  margin-top: 34px;
}

.maintenance-architect__grid {
  margin-top: 96px;
  display: grid;
  grid-template-columns:
    minmax(240px, 0.7fr)
    minmax(0, 1.3fr);
  gap: 90px;
  align-items: start;
}

.maintenance-architect__summary {
  min-width: 0;
}

.maintenance-architect__lead {
  max-width: 350px;
  margin: 0;
  font-size: clamp(18px, 1.8vw, 23px);
  font-weight: 400;
  line-height: 2;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

.maintenance-perspective-list {
  border-top: 1px solid var(--color-border-dark);
}

.maintenance-perspective {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 22px;
  padding: 30px 0;
  border-bottom: 1px solid var(--color-border);
}

.maintenance-perspective__number {
  padding-top: 4px;
  font-family: var(--font-en);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.16em;
  color: var(--color-sub);
}

.maintenance-perspective h3 {
  margin-bottom: 10px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.8;
  letter-spacing: 0.05em;
}

.maintenance-perspective p {
  color: var(--color-text-soft);
}

.maintenance-architect__closing {
  margin-top: 76px;
  padding-top: 42px;
  font-size: clamp(21px, 2.2vw, 30px);
  font-weight: 400;
  line-height: 1.9;
  text-align: center;
  letter-spacing: var(--letter-spacing-heading);
  border-top: 1px solid var(--color-border-dark);
}


/* =========================================================
   Closing
========================================================= */

.maintenance-closing {
  text-align: center;
  background: var(--color-bg);
}

.maintenance-closing .maintenance-section__title {
  max-width: 760px;
  margin-inline: auto;
}

.maintenance-closing .maintenance-prose {
  max-width: 680px;
  margin-inline: auto;
}


/* =========================================================
   CTA
========================================================= */

.maintenance-cta {
  padding: 130px 0;
  color: var(--color-white);
  text-align: center;
  background: var(--color-dark);
}

.maintenance-cta__inner {
  max-width: 820px;
}

.maintenance-cta__label {
  margin-bottom: 28px;
  font-family: var(--font-en);
  font-size: var(--font-size-label);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: var(--letter-spacing-label);
  color: rgba(255, 255, 255, 0.58);
}

.maintenance-cta__title {
  font-size: clamp(30px, 3.5vw, 48px);
  font-weight: 300;
  line-height: 1.7;
  letter-spacing: var(--letter-spacing-heading);
}

.maintenance-cta__text {
  max-width: 680px;
  margin: 34px auto 0;
  color: rgba(255, 255, 255, 0.78);
}

.maintenance-cta__button {
  width: min(100%, 430px);
  min-height: 68px;
  margin: 52px auto 0;
  padding: 18px 24px 18px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.07em;
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast);
}

.maintenance-cta__button:hover {
  color: var(--color-dark);
  background: var(--color-white);
}


/* =========================================================
   Tablet
========================================================= */

@media (max-width: 900px) {
  .maintenance-section {
    padding: var(--section-space-tablet) 0;
  }

  .maintenance-lifestyle__grid,
  .maintenance-case__grid,
  .maintenance-architect__visual-grid,
  .maintenance-architect__grid {
    grid-template-columns: 1fr;
    gap: 64px;
  }

  .maintenance-diagram {
    width: min(100%, 680px);
    margin-inline: auto;
  }

  .maintenance-case__image {
    margin-bottom: 64px;
  }

  .maintenance-architect__image {
    width: min(100%, 760px);
    margin-inline: auto;
  }

  .maintenance-architect__image img {
    height: clamp(420px, 66vw, 620px);
  }

  .maintenance-architect__grid {
    margin-top: 72px;
  }

  .maintenance-architect__lead {
    max-width: 620px;
  }
}


/* =========================================================
   Mobile
========================================================= */

@media (max-width: 768px) {
  .maintenance-hero {
    min-height: calc(100svh - 66px);
  }

  .maintenance-hero__image {
    object-position: center;
  }

  .maintenance-hero__overlay {
    background:
      linear-gradient(
        90deg,
        rgba(0, 0, 0, 0.58) 0%,
        rgba(0, 0, 0, 0.3) 100%
      );
  }

  .maintenance-hero__content {
    width: calc(100% - (var(--side-space-sp) * 2));
    min-height: calc(100svh - 66px);
    padding-block: 88px;
  }

  .maintenance-hero__label {
    margin-bottom: 20px;
    font-size: 11px;
  }

  .maintenance-hero__title {
    font-size: 34px;
    line-height: 1.55;
  }

  .maintenance-hero__scroll {
    bottom: 22px;
  }

  .maintenance-section {
    padding: var(--section-space-sp) 0;
  }

  .maintenance-container,
  .maintenance-container--narrow {
    width: calc(100% - (var(--side-space-sp) * 2));
  }

  .maintenance-section__label {
    margin-bottom: 20px;
  }

  .maintenance-section__title {
    font-size: 28px;
  }

  .maintenance-prose {
    margin-top: 34px;
  }

  .maintenance-prose p {
    font-size: var(--font-size-body-sp);
    line-height: var(--line-height-body-sp);
  }

  .maintenance-message {
    margin-top: 58px;
    padding: 44px 18px;
  }

  .maintenance-message p {
    font-size: 24px;
    line-height: 1.9;
  }

  .maintenance-lifestyle__grid,
  .maintenance-case__grid,
  .maintenance-architect__visual-grid,
  .maintenance-architect__grid {
    gap: 50px;
  }

  .maintenance-order {
    padding: 24px 18px;
    grid-template-columns:
      minmax(0, 1fr)
      24px
      minmax(0, 1fr)
      24px
      minmax(0, 1fr);
    gap: 4px;
  }

  .maintenance-order__item strong {
    font-size: 13px;
    line-height: 1.65;
  }

  .maintenance-order__arrow {
    font-size: 16px;
  }

  .maintenance-diagram__media {
    padding: 22px 14px;
  }

  .maintenance-diagram__caption {
    margin-top: 18px;
    font-size: 14px;
  }

  .maintenance-case__image {
    margin-bottom: 50px;
  }

  .maintenance-case__image img {
    height: 64vw;
    min-height: 260px;
  }

  .maintenance-case__conclusion {
    margin-top: 42px;
    padding: 30px 24px;
  }

  .maintenance-architect__image img {
    height: 76vw;
    min-height: 320px;
    max-height: 520px;
  }

  .maintenance-architect__intro .maintenance-prose {
    margin-top: 30px;
  }

  .maintenance-architect__grid {
    margin-top: 58px;
  }

  .maintenance-architect__lead {
    max-width: none;
    font-size: 19px;
  }

  .maintenance-perspective {
    grid-template-columns: 42px 1fr;
    gap: 14px;
    padding: 26px 0;
  }

  .maintenance-architect__closing {
    margin-top: 54px;
    padding-top: 34px;
    font-size: 22px;
  }

  .maintenance-cta {
    padding: 92px 0;
  }

  .maintenance-cta__title {
    font-size: 29px;
  }

  .maintenance-cta__button {
    margin-top: 42px;
  }
}


/* =========================================================
   Small Mobile
========================================================= */

@media (max-width: 420px) {
  .maintenance-hero__title {
    font-size: 30px;
  }

  .maintenance-order {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .maintenance-order__arrow {
    transform: rotate(90deg);
  }

  .maintenance-case__image img {
    height: 74vw;
  }

  .maintenance-architect__image img {
    height: 82vw;
    min-height: 300px;
  }
}


/* =========================================================
   Reduced Motion
========================================================= */

@media (prefers-reduced-motion: reduce) {
  .maintenance-hero__scroll,
  .maintenance-cta__button {
    transition: none;
  }
}