/* ============================================================
   page-renovation / style.css
   ============================================================ */

:root {
  --color-green:   #3a6b2a;
  --color-text:    #2a2a2a;
  --color-gray:    #666666;
  --color-light:   #f5f5f5;
  --color-line:    #e0e0e0;
  --color-white:   #ffffff;
  --font-sans:     'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
  --font-serif:    'Noto Serif JP', 'Yu Mincho', 'YuMincho', serif;
  --max-width:     1080px;
  --transition:    0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  font-weight: 400;
  line-height: 1.85;
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }

footer .left_area h3 a img {
  display: inherit;
}
/* ============================================================
   Layout
   ============================================================ */
.inner {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 8%;
}

@media (max-width: 768px) {
  .inner { padding: 0 20px; }
}

/* ============================================================
   Section Head（共通）
   ============================================================ */
.section-head {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 48px;
}

.section-en {
  font-family: var(--font-sans);
  font-size: clamp(26px, 3vw, 35px);
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.section-ja {
  font-size: 14px;
  color: var(--color-gray);
  letter-spacing: 0.12em;
}

@media screen and (max-width: 640px) {
  .section-head {
    flex-direction: column;
    gap: 8px;
  }
}

/* ============================================================
   MV
   ============================================================ */
.mv {
  position: relative;
  width: 100%;
  height: clamp(360px, 56vw, 600px);
  overflow: hidden;
}

.mv__image {
  position: absolute;
  inset: 0;
}

.mv__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.mv__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.55) 0%,
    rgba(0, 0, 0, 0.3) 50%,
    rgba(0, 0, 0, 0.1) 100%
  );
}

.mv__content {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding-bottom: 60px;
}

.mv__title {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 500;
  color: var(--color-white);
  line-height: 1.75;
  letter-spacing: 0.06em;
  text-align: left;
}

.mv__line {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.6);
  width: 48px;
  margin: 20px 0;
}

.mv__lead {
  font-size: clamp(12px, 1.4vw, 14px);
  color: rgba(255, 255, 255, 0.85);
  font-weight: 400;
  line-height: 1.9;
  text-align: left;
}

@media (max-width: 640px) {
  .mv { height: 300px; }
  .mv__content { padding-bottom: 36px; }
}

/* ============================================================
   Service
   ============================================================ */
.service {
  padding: 80px 0;
  background: var(--color-white);
}

.service__lead {
  text-align: center;
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.9;
  letter-spacing: 0.1rem;
  max-width: 680px;
  margin: 0 auto 56px;
}

.service__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding-top: 48px;
}

.service__item {
  text-align: left;
  padding: 0 40px;
}

.service__item:first-child {
  padding-left: 0;
}

.service__item:last-child {
  padding-right: 0;
}

.service__item:not(:last-child) {
  border-right: 1px solid var(--color-line);
}

.service__en {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--color-gray);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.service__title {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 2px;
  line-height: 1.4;
  color: var(--color-text);
}

.service__item .p_line {
  border: none;
  border-top: 1px solid var(--color-line);
  width: 32px;
  margin: 16px 0;
}
.service__text {
  font-size: 13px;
  color: var(--color-text);
  line-height: 1.9;
}

@media (max-width: 640px) {
  .service__lead {
    text-align: left;
  }
}
@media (max-width: 768px) {
  .service__list {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .service__item {
    padding: 32px 0;
  }
  .service__item:first-child {
    padding-top: 0;
  }
  .service__item:last-child {
    padding-bottom: 0;
  }
  .service__item:not(:last-child) {
    border-right: none;
    border-bottom: 1px solid var(--color-line);
  }
}

/* ============================================================
   Performance
   ============================================================ */
.performance {
  padding: 80px 0;
  background: var(--color-light);
}

.performance__item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  align-items: center;
  margin-bottom: 0;
}

.performance__item + .performance__item {
  margin-top: 64px;
}

.performance__item--img-left .performance__image { order: 1; }
.performance__item--img-left .performance__body  { order: 2; padding-left: 64px; }

.performance__item--img-right .performance__image { order: 2; }
.performance__item--img-right .performance__body  { order: 1; padding-right: 64px; }

.performance__image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.performance__body {
  position: relative;
}

.performance__num {
  display: block;
  width: auto;
  height: 100px;
  margin-bottom: -20px;
  position: relative;
  z-index: 0;
}

.performance__en {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--color-gray);
  margin-bottom: 8px;
  position: relative;
  z-index: 1;
}

.performance__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.5;
  position: relative;
  z-index: 1;
}

.performance__text {
  font-size: 13px;
  color: var(--color-gray);
  line-height: 1.9;
  text-align: left;
  position: relative;
  z-index: 1;
}

@media (max-width: 768px) {
  .performance__item {
    grid-template-columns: 1fr;
  }
  .performance__item--img-left .performance__image,
  .performance__item--img-left .performance__body,
  .performance__item--img-right .performance__image,
  .performance__item--img-right .performance__body {
    order: unset;
    padding-left: 0;
    padding-right: 0;
  }
  .performance__item--img-right .performance__image { order: 1; }
  .performance__item--img-right .performance__body  { order: 2; }
  .performance__item--img-left .performance__image  { order: 1; }
  .performance__item--img-left .performance__body   { order: 2; }
  .performance__body { padding: 32px 0 0 !important; }
  .performance__num { height: 64px; }
}

/* ============================================================
   REBIRTH
   ============================================================ */
.rebirth {
  padding: 80px 0;
  background: var(--color-white);
}

.rebirth__title {
  text-align: center;
  font-size: clamp(19px, 2.5vw, 26px);
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.6;
}

.rebirth__text {
  max-width: 700px;
  margin: 0 auto 16px;
  font-size: 14px;
  color: var(--color-gray);
  line-height: 1.9;
  text-align: center;
  margin-bottom: 48px;
}

@media screen and (max-width: 640px) {
  .rebirth__title {
    text-align: left;
  }
  .rebirth__text {
    text-align: left;
  }
}

.rebirth-swiper {
  /* max-width: 760px; */
  max-width: 640px;
  margin: 0 auto;
  padding-bottom: 48px !important;
}

.rebirth__slide {
  position: relative;
}

.rebirth__slide img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}

.rebirth__badge {
  position: absolute;
  top: 0;
  right: 0;
  color: var(--color-white);
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 0.2em;
  padding: 4px 27px;
}

.rebirth__badge--before { background: var(--color-gray); }
.rebirth__badge--after  { background: var(--color-text); }

.rebirth-swiper .swiper-pagination-bullet {
  background: var(--color-line);
  opacity: 1;
}
.rebirth-swiper .swiper-pagination-bullet-active {
  background: var(--color-text);
}
.rebirth-swiper .swiper-button-prev,
.rebirth-swiper .swiper-button-next {
  color: var(--color-text);
  top: calc(50% - 24px);
  width: 44px;
  background: rgba(255, 255, 255, .3);
  border-radius: 50%;
}
.rebirth-swiper .swiper-button-prev::after,
.rebirth-swiper .swiper-button-next::after {
  font-size: 18px;
  font-weight: 700;
}

/* ============================================================
   WORKS
   ============================================================ */
.works {
  padding: 80px 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-line);
}

.works__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.works__item {
  overflow: hidden;
}

.works__link {
  display: block;
  transition: opacity var(--transition);
}

.works__link:hover { opacity: 0.85; }

.works__image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.works__link:hover .works__image img {
  transform: scale(1.03);
}

.works__body {
  padding: 10px 0 0;
}

.works__title {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
  margin-bottom: 4px;
}

.works__meta {
  font-size: 11px;
  color: var(--color-gray);
}

/* 暗いカード（RE-スタイル） */
.works__item--dark .works__link {
  background: #1a1a1a;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 200px;
}

.works__item--dark .works__link:hover { opacity: 0.9; }

.works__dark-inner {
  text-align: center;
  color: var(--color-white);
  padding: 20px;
}

.works__dark-sub {
  font-size: 12px;
  letter-spacing: 0.1em;
  opacity: 0.7;
  margin-bottom: 8px;
}

.works__dark-title {
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  line-height: 1.3;
}

.works__dark-link {
  font-size: 12px;
  letter-spacing: 0.08em;
  opacity: 0.75;
}

.works ul.icon_list {
  text-align: left;
  margin-top: 10px;
}
.detailBox {
  display: flex;
  justify-content: space-between;
}
.detailBox p {
  position: unset;
}

@media (max-width: 768px) {
  .works__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .detailBox {
    flex-direction: column;
    justify-content: space-between;
  }
  .detailBox p {
    text-align: left !important;
  }
  .detailBox .seminar_btn {
    text-align: left !important;
  }
}

@media (max-width: 480px) {
  .works__grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Contact
   ============================================================ */
.contact {
  padding: 64px 0;
  text-align: center;
  border-top: 1px solid var(--color-line);
  background: var(--color-white);
}

.contact__title {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3vw, 35px);
  font-weight: 300;
  letter-spacing: 0.2em;
  margin-bottom: 8px;
}

.contact__sub {
  font-size: 13px;
  color: var(--color-gray);
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.contact__tel {
  margin-bottom: 28px;
}

.contact__tel a {
  font-family: var(--font-serif);
  font-size: clamp(29px, 4vw, 42px);
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--color-text);
  transition: color var(--transition);
}

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

.contact__btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--color-green);
  color: var(--color-white);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 16px 40px;
  border-radius: 2px;
  transition: background var(--transition), opacity var(--transition);
}

.contact__btn:hover { opacity: 0.85; }

.contact__btn span {
  font-size: 1.1em;
  line-height: 1;
}

/* ============================================================
   Responsive（tablet）
   ============================================================ */
@media (max-width: 900px) {
  .service { padding: 60px 0; }
  .performance { padding: 60px 0; }
  .rebirth { padding: 60px 0; }
  .works { padding: 60px 0; }
  .contact { padding: 48px 0; }
  .section-head { margin-bottom: 36px; }
  .performance__item + .performance__item { margin-top: 48px; }
}


/* ============================================================
   other
     - ここから下は、ページ全体で使用する細かいスタイルや、特定の要素に対するスタイルを記述します。
   ============================================================ */
.br-pc {
  display: block;
}
.br-sp {
  display: none;
}
@media screen and (max-width: 640px) {
  .br-pc {
    display: none;
  }
  .br-sp {
    display: block;
  }
}