@charset "UTF-8";

/* =========================================================
   株式会社 常磐建設 / style.css
   命名規則: BEM (block__element--modifier)
   ========================================================= */

/* ---------------------------------------------------------
   1. Variables
   --------------------------------------------------------- */
:root {
  --color-primary: #14403a;
  --color-primary-dark: #0d2c28;
  --color-primary-light: #2c6156;
  --color-accent: #c8a63e;
  --color-accent-dark: #a8862a;
  --color-text: #1d2422;
  --color-text-sub: #5d6764;
  --color-white: #fff;
  --color-bg: #f3f5f4;
  --color-bg-alt: #e9edeb;
  --color-line: #dfe4e2;
  --color-line-dark: rgba(255, 255, 255, 0.18);

  --font-serif: "Noto Serif JP", "Hiragino Mincho ProN", serif;
  --font-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  --font-en: "Barlow", sans-serif;

  --header-h: 92px;
  --header-h-sm: 62px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --shadow: 0 14px 34px rgba(20, 64, 58, 0.1);
  --shadow-sm: 0 6px 18px rgba(20, 64, 58, 0.07);
}

/* ---------------------------------------------------------
   2. Base
   --------------------------------------------------------- */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h-sm);
}

body {
  margin: 0;
  background-color: var(--color-white);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  line-height: 2;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.is-locked {
  overflow: hidden;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s var(--ease), opacity 0.3s var(--ease);
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ---------------------------------------------------------
   3. Layout
   --------------------------------------------------------- */
.l-container {
  width: min(100% - 40px, 1200px);
  margin-inline: auto;
}

.l-container--narrow {
  width: min(100% - 40px, 900px);
  margin-inline: auto;
}

.l-section {
  padding-block: 110px;
}

.l-section--tight {
  padding-block: 72px;
}

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

.l-section--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

@media (max-width: 767.98px) {
  .l-section {
    padding-block: 64px;
  }
  .l-section--tight {
    padding-block: 48px;
  }
}

/* ---------------------------------------------------------
   4. Component: heading
   --------------------------------------------------------- */
.heading {
  margin-bottom: 52px;
}

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

.heading__en {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.heading__en::before {
  content: "";
  width: 28px;
  height: 1px;
  background-color: var(--color-accent);
}

.heading--center .heading__en::after {
  content: "";
  width: 28px;
  height: 1px;
  background-color: var(--color-accent);
}

.heading__ja {
  display: block;
  margin-top: 14px;
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.08em;
}

.l-section--primary .heading__ja {
  color: var(--color-white);
}

.heading__lead {
  max-width: 680px;
  margin-top: 20px;
  font-size: 0.94rem;
  color: var(--color-text-sub);
}

.heading--center .heading__lead {
  margin-inline: auto;
}

.l-section--primary .heading__lead {
  color: rgba(255, 255, 255, 0.8);
}

/* ---------------------------------------------------------
   5. Component: button
   --------------------------------------------------------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  min-width: 240px;
  padding: 17px 26px;
  border: 1px solid var(--color-primary);
  background: transparent;
  color: var(--color-primary);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  cursor: pointer;
  overflow: hidden;
  transition: color 0.4s var(--ease), border-color 0.4s var(--ease);
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 0.4s var(--ease);
  z-index: 0;
}

.btn:hover::before {
  transform: scaleX(1);
  transform-origin: left center;
}

.btn:hover {
  color: var(--color-white);
}

.btn > * {
  position: relative;
  z-index: 1;
}

.btn__arrow {
  font-family: var(--font-en);
  font-size: 1rem;
  line-height: 1;
}

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

.btn--primary::before {
  background-color: var(--color-accent);
}

.btn--primary:hover {
  border-color: var(--color-accent);
  color: var(--color-white);
}

.btn--accent {
  border-color: var(--color-accent);
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn--accent::before {
  background-color: var(--color-primary);
}

.btn--accent:hover {
  border-color: var(--color-primary);
}

.btn--light {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--color-white);
}

.btn--light::before {
  background-color: var(--color-white);
}

.btn--light:hover {
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn--sm {
  min-width: 0;
  gap: 16px;
  padding: 11px 20px;
  font-size: 0.8rem;
}

.btn--block {
  width: 100%;
}

/* ---------------------------------------------------------
   6. Block: header
   --------------------------------------------------------- */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-h);
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
  transition: height 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.header--scrolled {
  height: var(--header-h-sm);
  box-shadow: 0 4px 16px rgba(20, 64, 58, 0.07);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  width: min(100% - 32px, 1480px);
  height: 100%;
  margin-inline: auto;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1;
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo__name {
  font-family: var(--font-serif);
  font-size: 1.16rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--color-primary);
}

.logo__en {
  font-family: var(--font-en);
  font-size: 0.56rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--color-text-sub);
}

.header__nav {
  margin-left: auto;
}

.gnav__list {
  display: flex;
  align-items: center;
}

.gnav__item {
  position: relative;
}

.gnav__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 12px 18px;
  font-size: 0.88rem;
  font-weight: 500;
  white-space: nowrap;
}

.gnav__link-en {
  font-family: var(--font-en);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.gnav__link:hover,
.gnav__link--current {
  color: var(--color-primary-light);
}

.gnav__item--has-child > .gnav__link::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  opacity: 0.6;
}

/* dropdown */
.gnav__child {
  position: absolute;
  left: 50%;
  top: 100%;
  min-width: 232px;
  padding: 10px 0;
  background-color: var(--color-white);
  border-top: 2px solid var(--color-accent);
  box-shadow: var(--shadow);
  transform: translate(-50%, 10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
}

.gnav__item--has-child:hover .gnav__child,
.gnav__item--has-child:focus-within .gnav__child {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.gnav__child-link {
  display: block;
  padding: 10px 22px;
  font-size: 0.86rem;
  line-height: 1.6;
}

.gnav__child-link:hover {
  background-color: var(--color-bg);
  color: var(--color-primary-light);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.header__tel {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.2;
}

.header__tel-num {
  font-family: var(--font-en);
  font-size: 1.16rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-primary);
}

.header__tel-note {
  font-size: 0.58rem;
  color: var(--color-text-sub);
}

/* drawer toggle */
.drawer-toggle {
  display: none;
  position: relative;
  width: 42px;
  height: 42px;
  padding: 0;
  border: none;
  background-color: var(--color-primary);
  cursor: pointer;
}

.drawer-toggle__bar {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 1.5px;
  background-color: var(--color-white);
  transition: transform 0.35s var(--ease), opacity 0.25s var(--ease);
}

.drawer-toggle__bar:nth-child(1) {
  top: 15px;
}
.drawer-toggle__bar:nth-child(2) {
  top: 20px;
}
.drawer-toggle__bar:nth-child(3) {
  top: 25px;
}

.drawer-toggle--open .drawer-toggle__bar:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}
.drawer-toggle--open .drawer-toggle__bar:nth-child(2) {
  opacity: 0;
}
.drawer-toggle--open .drawer-toggle__bar:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

@media (max-width: 1199.98px) {
  :root {
    --header-h: 62px;
  }

  .drawer-toggle {
    display: block;
    z-index: 1002;
  }

  .header__tel {
    display: none;
  }

  .header__cta {
    display: none;
  }

  .header__actions {
    margin-left: auto;
  }

  .header__nav {
    position: fixed;
    inset: 0;
    margin: 0;
    padding: 86px 24px 48px;
    background-color: var(--color-white);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.45s var(--ease);
    z-index: 1001;
  }

  .header__nav--open {
    transform: translateX(0);
  }

  .gnav__list {
    flex-direction: column;
    align-items: stretch;
  }

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

  .gnav__link {
    flex-direction: row;
    align-items: baseline;
    justify-content: flex-start;
    gap: 12px;
    padding: 16px 4px;
    font-size: 1.02rem;
  }

  .gnav__item--has-child > .gnav__link::after {
    margin-left: auto;
  }

  .gnav__child {
    position: static;
    min-width: 0;
    padding: 0 0 12px 16px;
    border: none;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
  }

  .gnav__item--open .gnav__child {
    display: block;
  }

  .gnav__child-link {
    padding: 9px 0 9px 16px;
    border-left: 2px solid var(--color-line);
    font-size: 0.9rem;
  }

  .gnav__foot {
    margin-top: 28px;
  }

  .gnav__tel {
    display: block;
    font-family: var(--font-en);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-primary);
  }

  .gnav__note {
    margin: 0 0 16px;
    font-size: 0.76rem;
    color: var(--color-text-sub);
  }
}

.gnav__foot {
  display: none;
}

@media (max-width: 1199.98px) {
  .gnav__foot {
    display: block;
  }
}

/* ---------------------------------------------------------
   7. Block: hero
   --------------------------------------------------------- */
.hero {
  position: relative;
  height: clamp(560px, 88svh, 860px);
  margin-top: var(--header-h);
  overflow: hidden;
}

.hero__slider,
.hero__slider .swiper-wrapper,
.hero__slide {
  height: 100%;
}

.hero__slide {
  position: relative;
  background-color: var(--color-primary-dark);
}

.hero__slide-inner {
  width: 100%;
  height: 100%;
  background-position: center;
  background-size: cover;
}

.hero__slider .swiper-slide-active .hero__slide-inner {
  animation: heroZoom 8s linear forwards;
}

@keyframes heroZoom {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.08);
  }
}

.hero__slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    95deg,
    rgba(13, 44, 40, 0.86) 0%,
    rgba(13, 44, 40, 0.5) 46%,
    rgba(13, 44, 40, 0.28) 100%
  );
}

.hero__body {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  pointer-events: none;
}

.hero__inner {
  width: min(100% - 40px, 1200px);
  margin-inline: auto;
  color: var(--color-white);
}

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 26px;
  font-family: var(--font-en);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero__label::before {
  content: "";
  width: 34px;
  height: 1px;
  background-color: var(--color-accent);
}

.hero__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5.4vw, 3.9rem);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.08em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero__title-line {
  display: block;
  overflow: hidden;
}

.hero__title-line span {
  display: inline-block;
  transform: translateY(110%);
  animation: heroRise 1.05s var(--ease) forwards;
}

.hero__title-line:nth-child(2) span {
  animation-delay: 0.14s;
}

@keyframes heroRise {
  to {
    transform: translateY(0);
  }
}

.hero__lead {
  max-width: 34em;
  margin: 28px 0 0;
  font-size: 0.95rem;
  line-height: 2.1;
  opacity: 0;
  animation: heroFade 1.1s var(--ease) 0.6s forwards;
}

@keyframes heroFade {
  to {
    opacity: 1;
  }
}

.hero__scroll {
  position: absolute;
  right: 40px;
  bottom: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  writing-mode: vertical-rl;
  font-family: var(--font-en);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.26em;
  color: var(--color-white);
}

.hero__scroll::after {
  content: "";
  width: 1px;
  height: 76px;
  background-color: var(--color-accent);
  transform-origin: top center;
  animation: scrollLine 2.4s ease-in-out infinite;
}

@keyframes scrollLine {
  0% {
    transform: scaleY(0);
  }
  45% {
    transform: scaleY(1);
    transform-origin: top center;
  }
  55% {
    transform: scaleY(1);
    transform-origin: bottom center;
  }
  100% {
    transform: scaleY(0);
    transform-origin: bottom center;
  }
}

@media (max-width: 767.98px) {
  .hero__scroll {
    right: 16px;
  }
}

/* ---------------------------------------------------------
   8. Block: page head（下層）
   --------------------------------------------------------- */
.page-head {
  position: relative;
  display: flex;
  align-items: center;
  height: 300px;
  margin-top: var(--header-h);
  background-color: var(--color-primary-dark);
  background-position: center;
  background-size: cover;
  color: var(--color-white);
}

.page-head::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13, 44, 40, 0.88) 0%, rgba(13, 44, 40, 0.6) 100%);
}

.page-head__inner {
  position: relative;
  z-index: 1;
  width: min(100% - 40px, 1200px);
  margin-inline: auto;
}

.page-head__en {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-head__en::before {
  content: "";
  width: 28px;
  height: 1px;
  background-color: var(--color-accent);
}

.page-head__ja {
  display: block;
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 4.6vw, 2.7rem);
  font-weight: 600;
  letter-spacing: 0.1em;
}

@media (max-width: 767.98px) {
  .page-head {
    height: 210px;
  }
}

/* breadcrumb */
.breadcrumb-c {
  padding-block: 14px;
  background-color: var(--color-bg);
  font-size: 0.76rem;
  color: var(--color-text-sub);
}

.breadcrumb-c__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumb-c__item + .breadcrumb-c__item::before {
  content: "›";
  margin-right: 8px;
  color: #a9b3b0;
}

.breadcrumb-c__item a:hover {
  color: var(--color-primary-light);
}

/* ---------------------------------------------------------
   9. Block: news ticker（トップ）
   --------------------------------------------------------- */
.news-bar {
  border-bottom: 1px solid var(--color-line);
  background-color: var(--color-white);
}

.news-bar__inner {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-block: 18px;
}

.news-bar__label {
  flex-shrink: 0;
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--color-accent);
}

.news-bar__list {
  flex: 1;
  min-width: 0;
  height: 30px;
}

.news-bar__item {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.news-bar__date {
  flex-shrink: 0;
  font-family: var(--font-en);
  font-size: 0.82rem;
  color: var(--color-text-sub);
}

.news-bar__text {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 0.86rem;
}

.news-bar__more {
  flex-shrink: 0;
  font-size: 0.78rem;
  color: var(--color-text-sub);
}

@media (max-width: 575.98px) {
  .news-bar__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

/* ---------------------------------------------------------
   10. Block: message / about intro
   --------------------------------------------------------- */
.intro {
  position: relative;
}

.intro__figure {
  position: relative;
}

.intro__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.intro__badge {
  position: absolute;
  right: -20px;
  bottom: -28px;
  display: grid;
  place-items: center;
  width: 148px;
  height: 148px;
  padding: 10px;
  border-radius: 50%;
  background-color: var(--color-accent);
  color: var(--color-white);
  text-align: center;
  line-height: 1.4;
}

.intro__badge-num {
  display: block;
  font-family: var(--font-en);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

.intro__badge-text {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.intro__title {
  margin: 0 0 26px;
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3.2vw, 2.05rem);
  font-weight: 600;
  line-height: 1.85;
  letter-spacing: 0.08em;
}

.intro__text {
  font-size: 0.94rem;
  color: var(--color-text-sub);
}

.intro__text + .intro__text {
  margin-top: 18px;
}

@media (max-width: 991.98px) {
  .intro__badge {
    right: 12px;
    bottom: -22px;
    width: 112px;
    height: 112px;
  }
  .intro__badge-num {
    font-size: 1.9rem;
  }
}

/* ---------------------------------------------------------
   11. Block: business card（事業内容）
   --------------------------------------------------------- */
.biz-card {
  position: relative;
  display: block;
  height: 100%;
  background-color: var(--color-white);
  border: 1px solid var(--color-line);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.biz-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.biz-card__figure {
  position: relative;
  overflow: hidden;
}

.biz-card__image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.biz-card:hover .biz-card__image {
  transform: scale(1.06);
}

.biz-card__num {
  position: absolute;
  left: 0;
  top: 0;
  padding: 7px 16px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.biz-card__body {
  padding: 26px 24px 30px;
}

.biz-card__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.biz-card__text {
  margin: 0 0 18px;
  font-size: 0.86rem;
  line-height: 1.95;
  color: var(--color-text-sub);
}

.biz-card__more {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-primary-light);
}

.biz-card__more::after {
  content: "→";
  font-family: var(--font-en);
  transition: transform 0.3s var(--ease);
}

.biz-card:hover .biz-card__more::after {
  transform: translateX(4px);
}

/* ---------------------------------------------------------
   12. Block: works（施工実績）
   --------------------------------------------------------- */
.works-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 38px;
}

.works-filter__btn {
  padding: 9px 22px;
  border: 1px solid var(--color-line);
  background-color: var(--color-white);
  color: var(--color-text-sub);
  font-family: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}

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

.works-filter__btn--active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.works-item--hidden {
  display: none;
}

.work-card {
  display: block;
  height: 100%;
  background-color: var(--color-white);
  transition: transform 0.4s var(--ease);
}

.work-card:hover {
  transform: translateY(-5px);
}

.work-card__figure {
  position: relative;
  overflow: hidden;
}

.work-card__image {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.work-card:hover .work-card__image {
  transform: scale(1.05);
}

.work-card__cat {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 5px 14px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.work-card__cat--civil {
  background-color: #3d6b8f;
}

.work-card__cat--reno {
  background-color: var(--color-accent-dark);
}

.work-card__body {
  padding: 18px 4px 0;
}

.work-card__title {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 1.06rem;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.04em;
}

.work-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 0.78rem;
  color: var(--color-text-sub);
}

.work-card__meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* 実績詳細のスペック表 */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

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

.spec-table__row:first-child {
  border-top: 1px solid var(--color-line);
}

.spec-table__head {
  width: 9em;
  padding: 16px 10px 16px 16px;
  background-color: var(--color-bg);
  font-weight: 500;
  text-align: left;
  vertical-align: top;
  color: var(--color-primary);
}

.spec-table__data {
  padding: 16px;
  vertical-align: top;
}

@media (max-width: 575.98px) {
  .spec-table,
  .spec-table__row,
  .spec-table__head,
  .spec-table__data {
    display: block;
    width: auto;
  }
  .spec-table__head {
    padding: 9px 12px;
  }
  .spec-table__data {
    padding: 12px 12px 18px;
  }
}

/* 詳細ページのギャラリー */
.work-gallery__main {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.work-gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 10px;
}

.work-gallery__thumb {
  padding: 0;
  border: 2px solid transparent;
  background: none;
  cursor: pointer;
  overflow: hidden;
}

.work-gallery__thumb img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: opacity 0.3s var(--ease);
}

.work-gallery__thumb:hover img {
  opacity: 0.75;
}

.work-gallery__thumb--active {
  border-color: var(--color-accent);
}

/* ---------------------------------------------------------
   13. Block: strength（強み）
   --------------------------------------------------------- */
.strength-card {
  height: 100%;
  padding: 36px 30px;
  background-color: var(--color-white);
  border-top: 3px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.strength-card__icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  margin-bottom: 20px;
  background-color: var(--color-bg);
  color: var(--color-primary);
  font-size: 1.5rem;
}

.strength-card__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.7;
}

.strength-card__text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.95;
  color: var(--color-text-sub);
}

/* ---------------------------------------------------------
   14. Block: data（数字で見る）
   --------------------------------------------------------- */
.data-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: rgba(255, 255, 255, 0.2);
}

.data-list__item {
  padding: 34px 20px;
  background-color: var(--color-primary);
  text-align: center;
}

.data-list__label {
  margin: 0 0 10px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.75);
}

.data-list__num {
  font-family: var(--font-en);
  font-size: clamp(2.1rem, 4.6vw, 3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
}

.data-list__unit {
  margin-left: 3px;
  font-size: 0.42em;
  font-weight: 600;
  color: var(--color-white);
}

@media (max-width: 767.98px) {
  .data-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------------------------------------------------------
   15. Block: news list
   --------------------------------------------------------- */
.news-list__item {
  border-bottom: 1px solid var(--color-line);
}

.news-list__link {
  display: flex;
  align-items: baseline;
  gap: 20px;
  padding: 22px 4px;
  transition: background-color 0.3s var(--ease);
}

.news-list__link:hover {
  background-color: var(--color-bg);
  color: var(--color-primary-light);
}

.news-list__date {
  flex-shrink: 0;
  font-family: var(--font-en);
  font-size: 0.84rem;
  color: var(--color-text-sub);
}

.news-cat {
  flex-shrink: 0;
  min-width: 92px;
  padding: 3px 10px;
  border: 1px solid var(--color-primary);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-align: center;
  color: var(--color-primary);
}

.news-cat--notice {
  border-color: var(--color-accent-dark);
  color: var(--color-accent-dark);
}

.news-cat--recruit {
  border-color: #3d6b8f;
  color: #3d6b8f;
}

.news-list__title {
  font-size: 0.92rem;
  line-height: 1.7;
}

@media (max-width: 767.98px) {
  .news-list__link {
    flex-wrap: wrap;
    gap: 8px 14px;
  }
  .news-list__title {
    width: 100%;
  }
}

/* pagination */
.pagination-c {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}

.pagination-c__item {
  display: grid;
  place-items: center;
  min-width: 42px;
  height: 42px;
  padding-inline: 10px;
  border: 1px solid var(--color-line);
  background-color: var(--color-white);
  font-family: var(--font-en);
  font-size: 0.88rem;
  color: var(--color-text-sub);
  cursor: pointer;
  transition: all 0.3s var(--ease);
}

.pagination-c__item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination-c__item--current {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  cursor: default;
}

.pagination-c__item--disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* 記事本文 */
.article__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.article__title {
  margin: 0 0 32px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 3.4vw, 1.9rem);
  font-weight: 600;
  line-height: 1.65;
}

.article__body p {
  margin: 0 0 26px;
  font-size: 0.94rem;
}

.article__body h2 {
  margin: 44px 0 18px;
  padding-left: 14px;
  border-left: 4px solid var(--color-accent);
  font-family: var(--font-serif);
  font-size: 1.24rem;
  font-weight: 600;
  line-height: 1.6;
}

.article__body img {
  margin-block: 12px 30px;
  width: 100%;
}

.article__body ul {
  margin: 0 0 26px;
  padding-left: 4px;
}

.article__body li {
  position: relative;
  padding-left: 20px;
  font-size: 0.92rem;
}

.article__body li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.9em;
  width: 7px;
  height: 7px;
  background-color: var(--color-accent);
}

.article__nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--color-line);
  font-size: 0.86rem;
}

/* ---------------------------------------------------------
   16. Block: company table（会社概要）
   --------------------------------------------------------- */
.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

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

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

.info-table__head {
  width: 11em;
  padding: 20px 16px 20px 0;
  font-family: var(--font-serif);
  font-weight: 600;
  text-align: left;
  vertical-align: top;
  color: var(--color-primary);
}

.info-table__data {
  padding: 20px 0;
  vertical-align: top;
  color: var(--color-text-sub);
}

@media (max-width: 575.98px) {
  .info-table,
  .info-table__row,
  .info-table__head,
  .info-table__data {
    display: block;
    width: auto;
  }
  .info-table__head {
    padding: 16px 0 4px;
  }
  .info-table__data {
    padding: 0 0 16px;
  }
}

/* 沿革 */
.history {
  position: relative;
  padding-left: 26px;
}

.history::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background-color: var(--color-line);
}

.history__item {
  position: relative;
  display: grid;
  grid-template-columns: 7em 1fr;
  gap: 20px;
  padding-bottom: 28px;
}

.history__item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 12px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--color-accent);
}

.history__year {
  font-family: var(--font-en);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
}

.history__text {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-sub);
}

@media (max-width: 575.98px) {
  .history__item {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

/* ---------------------------------------------------------
   17. Block: recruit
   --------------------------------------------------------- */
.recruit-card {
  height: 100%;
  padding: 30px 28px;
  background-color: var(--color-white);
  border: 1px solid var(--color-line);
}

.recruit-card__pos {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 14px;
  background-color: var(--color-primary);
  color: var(--color-white);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
}

.recruit-card__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: 1.14rem;
  font-weight: 600;
}

.recruit-card__list {
  font-size: 0.84rem;
  color: var(--color-text-sub);
}

.recruit-card__list li {
  display: flex;
  gap: 10px;
  padding-block: 5px;
  border-bottom: 1px dashed var(--color-line);
}

.recruit-card__list dt,
.recruit-card__key {
  flex-shrink: 0;
  width: 5.5em;
  color: var(--color-primary);
}

/* 選考フロー */
.flow-steps {
  counter-reset: step;
  display: grid;
  gap: 14px;
}

.flow-steps__item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 22px 26px;
  background-color: var(--color-white);
  border-left: 3px solid var(--color-primary);
}

.flow-steps__num {
  flex-shrink: 0;
  font-family: var(--font-en);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-accent);
}

.flow-steps__title {
  margin: 0 0 4px;
  font-family: var(--font-serif);
  font-size: 1.02rem;
  font-weight: 600;
}

.flow-steps__text {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-sub);
}

/* 社員の声 */
.voice-card {
  height: 100%;
  background-color: var(--color-white);
  border: 1px solid var(--color-line);
}

.voice-card__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.voice-card__body {
  padding: 24px 24px 28px;
}

.voice-card__person {
  margin-bottom: 14px;
  font-size: 0.78rem;
  color: var(--color-text-sub);
}

.voice-card__name {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
}

.voice-card__text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.95;
  color: var(--color-text-sub);
}

/* ---------------------------------------------------------
   18. Block: form
   --------------------------------------------------------- */
.form__row + .form__row {
  margin-top: 26px;
}

.form__label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
  font-size: 0.88rem;
  font-weight: 500;
}

.form__badge {
  padding: 2px 9px;
  background-color: var(--color-accent-dark);
  font-size: 0.64rem;
  letter-spacing: 0.04em;
  color: var(--color-white);
}

.form__badge--optional {
  background-color: #9aa5a2;
}

.form__control {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-line);
  border-radius: 0;
  background-color: var(--color-white);
  font-family: inherit;
  font-size: 0.94rem;
  color: var(--color-text);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.form__control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(20, 64, 58, 0.12);
}

.form__control--textarea {
  min-height: 170px;
  resize: vertical;
}

.was-validated .form__control:invalid {
  border-color: #c0392b;
}

.was-validated .form__control:valid {
  border-color: var(--color-primary-light);
}

.form .invalid-feedback {
  font-size: 0.78rem;
}

.form__radios {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.form__radio {
  position: relative;
}

.form__radio input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.form__radio span {
  display: block;
  padding: 11px 22px;
  border: 1px solid var(--color-line);
  background-color: var(--color-white);
  font-size: 0.86rem;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}

.form__radio input:checked + span {
  border-color: var(--color-primary);
  background-color: var(--color-primary);
  color: var(--color-white);
}

.form__radio input:focus-visible + span {
  box-shadow: 0 0 0 3px rgba(20, 64, 58, 0.2);
}

.form__conditional {
  display: none;
}

.form__conditional--show {
  display: block;
}

.form__privacy {
  margin-top: 34px;
  padding: 24px;
  background-color: var(--color-bg);
  text-align: center;
  font-size: 0.86rem;
}

.form__footer {
  margin-top: 32px;
  text-align: center;
}

/* ---------------------------------------------------------
   19. Block: faq（Bootstrap accordion override）
   --------------------------------------------------------- */
.faq .accordion-item {
  margin-bottom: 12px;
  border: 1px solid var(--color-line);
  background-color: var(--color-white);
}

.faq .accordion-button {
  padding: 20px 22px;
  background-color: var(--color-white);
  font-family: inherit;
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--color-text);
  box-shadow: none;
}

.faq .accordion-button:not(.collapsed) {
  background-color: var(--color-bg);
  color: var(--color-primary);
}

.faq .accordion-button::before {
  content: "Q";
  flex-shrink: 0;
  margin-right: 14px;
  font-family: var(--font-en);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-accent);
}

.faq .accordion-body {
  padding: 20px 22px;
  border-top: 1px solid var(--color-line);
  font-size: 0.88rem;
  color: var(--color-text-sub);
}

/* ---------------------------------------------------------
   20. Block: CTA
   --------------------------------------------------------- */
.cta {
  position: relative;
  padding-block: 96px;
  background-image: linear-gradient(rgba(13, 44, 40, 0.9), rgba(13, 44, 40, 0.9)),
    var(--cta-bg, none);
  background-size: cover;
  background-position: center;
  color: var(--color-white);
  text-align: center;
}

.cta__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.6vw, 2.2rem);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.cta__text {
  margin: 0 0 34px;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.8);
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.cta__tel {
  margin-top: 32px;
}

.cta__tel-num {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.cta__tel-note {
  margin: 4px 0 0;
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ---------------------------------------------------------
   21. Block: footer
   --------------------------------------------------------- */
.footer {
  padding-block: 68px 26px;
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.84rem;
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.footer__logo .logo__mark {
  background-color: var(--color-accent);
}

.footer__logo .logo__name {
  color: var(--color-white);
}

.footer__logo .logo__en {
  color: rgba(255, 255, 255, 0.6);
}

.footer__address {
  margin: 0;
  font-style: normal;
  line-height: 2;
}

.footer__title {
  margin-bottom: 16px;
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.footer__list li + li {
  margin-top: 10px;
}

.footer__list a:hover {
  color: var(--color-white);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 54px;
  padding-top: 22px;
  border-top: 1px solid var(--color-line-dark);
}

.footer__copy {
  margin: 0;
  font-family: var(--font-en);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
}

.footer__sub-links {
  display: flex;
  gap: 20px;
  font-size: 0.76rem;
}

/* pagetop */
.pagetop {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 900;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-primary);
  color: var(--color-white);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease),
    background-color 0.3s var(--ease);
}

.pagetop--show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.pagetop:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

/* ---------------------------------------------------------
   22. Swiper override
   --------------------------------------------------------- */
.swiper-pagination-bullet {
  width: 26px;
  height: 3px;
  border-radius: 0;
  background-color: rgba(255, 255, 255, 0.5);
  opacity: 1;
}

.swiper-pagination-bullet-active {
  background-color: var(--color-accent);
}

/* ---------------------------------------------------------
   23. AOS fallback
   --------------------------------------------------------- */
.no-js [data-aos] {
  opacity: 1 !important;
  transform: none !important;
}