/* ===== Base ===== */
:root {
  --navy: #2c3e57;
  --gray-panel: #8f9499;
  --gray-panel-2: #7f858b;
  --text-light: #ffffff;
  --badge-bg: #2c3e57;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Sans JP", sans-serif;
  color: #333;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }

/* ===== Header ===== */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 40px;
}

.site-header__logo {
  font-family: "Jost", sans-serif;
  font-weight: 500;
  letter-spacing: .12em;
  font-size: 18px;
  color: var(--navy);
  line-height: 1.1;
}
.site-header__logo span {
  display: block;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 9px;
  letter-spacing: .3em;
  font-weight: 400;
  opacity: .85;
  margin-top: 2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
  letter-spacing: .05em;
  color: var(--navy);
}
.site-nav a { transition: opacity .2s; }
.site-nav a:hover { opacity: .6; }
.site-nav__cta {
  background: var(--navy);
  color: #fff;
  border: 1px solid var(--navy);
  padding: 8px 20px;
  border-radius: 2px;
  transition: opacity .2s;
}
.site-nav__cta:hover { opacity: .82 !important; }

/* ===== Hero ===== */
.hero {
  --hero-ink: #1c2735;
  --hero-navy: #2c3e57;
  --hero-gold: #b8923c;
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 62%;
}

/* 下部へ向かう白の雲がかったオーバーレイ */
.hero__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0) 34%,
    rgba(255, 255, 255, .38) 50%,
    rgba(255, 255, 255, .82) 66%,
    rgba(255, 255, 255, .96) 80%
  );
}

/* 縦書きコピー */
.hero__tate {
  position: absolute;
  z-index: 2;
  top: 108px;
  left: clamp(18px, 3.6vw, 52px);
  writing-mode: vertical-rl;
  font-family: "Noto Serif JP", serif;
  color: var(--hero-navy);
  text-shadow: 0 0 14px rgba(255, 255, 255, .75);
}
.hero__tate-main {
  font-weight: 500;
  font-size: clamp(16px, min(2.1vw, 2.6vh), 26px);
  letter-spacing: .26em;
  line-height: 2.05;
  margin-left: 20px;
}
.hero__tate-sub {
  font-size: clamp(12px, 1.1vw, 15px);
  letter-spacing: .38em;
  margin-top: 10px;
  opacity: .9;
}

/* 下部コピー */
.hero__bottom {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 0 clamp(24px, 5vw, 64px) 30px;
}
.hero__bottom-inner {
  max-width: 1080px;
  margin: 0 auto;
}
.hero__copy-lead {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: clamp(20px, 2.5vw, 33px);
  letter-spacing: .16em;
  color: var(--hero-ink);
  margin-bottom: 8px;
}
.hero__copy-main {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: clamp(34px, 4.8vw, 62px);
  letter-spacing: .1em;
  line-height: 1.42;
  color: var(--hero-ink);
  margin-bottom: 28px;
}
.hero__copy-em {
  color: var(--hero-gold);
  background: linear-gradient(115deg, #c9a84c 0%, #a5822f 48%, #d3b061 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ふわっと立ち上がる導入アニメーション */
@keyframes hero-fade-up {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes hero-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}
.hero__bottom-inner { animation: hero-fade-up 1s ease-out .15s backwards; }
.hero__tate { animation: hero-fade 1.4s ease-out .5s backwards; }
@media (prefers-reduced-motion: reduce) {
  .hero__bottom-inner, .hero__tate { animation: none; }
}

/* ロゴ＋リボン */
.hero__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px 30px;
  margin-bottom: 24px;
}
.hero__brand {
  display: flex;
  align-items: center;
  gap: 13px;
}
.hero__brand-mark { width: 52px; height: auto; }
.hero__brand-text {
  font-family: "Jost", sans-serif;
  font-weight: 500;
  font-size: 23px;
  letter-spacing: .1em;
  line-height: 1;
  color: #2b4a75;
}
.hero__brand-sub {
  display: block;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: .52em;
  margin-top: 7px;
}

.hero__ribbon {
  position: relative;
  background: linear-gradient(100deg, #d3b061 0%, #b8923c 45%, #cfa94f 100%);
  color: #fff;
  font-weight: 500;
  font-size: clamp(14px, 1.4vw, 17px);
  letter-spacing: .14em;
  line-height: 1;
  padding: 15px 34px;
  transform: rotate(-3deg);
  box-shadow: 0 6px 16px rgba(90, 68, 20, .28);
}
.hero__ribbon::before,
.hero__ribbon::after {
  content: "";
  position: absolute;
  top: 4px;
  bottom: -4px;
  width: 0;
  border-top: calc((15px + 15px + 1em) / 2 - 4px) solid #a5822f;
  border-bottom: calc((15px + 15px + 1em) / 2 - 4px) solid #a5822f;
  z-index: -1;
}
.hero__ribbon::before {
  left: -14px;
  border-left: 10px solid transparent;
}
.hero__ribbon::after {
  right: -14px;
  border-right: 10px solid transparent;
}

/* 下部帯 */
.hero__note {
  border: 1px solid #c9b06a;
  background: rgba(255, 255, 255, .94);
  font-family: "Noto Serif JP", serif;
  font-size: clamp(12px, 1.25vw, 15.5px);
  letter-spacing: .12em;
  color: #3a4553;
  text-align: center;
  padding: 13px 20px;
}
.hero__note span { color: var(--hero-gold); font-weight: 500; }

/* ===== Concept ===== */
.concept {
  background: #eef1f3;
  padding: 90px 40px;
}
.concept__inner {
  max-width: 940px;
  margin: 0 auto;
}

/* section title */
.concept__title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 25px;
  letter-spacing: .12em;
  color: #2f3d4c;
  margin-bottom: 70px;
}
.concept__title-logo {
  width: 42px;
  height: auto;
  flex-shrink: 0;
}
.concept__title-num {
  font-size: 42px;
  line-height: 1;
  margin: 0 4px;
}

/* three interlocking circles */
.concept__circles {
  display: flex;
  justify-content: center;
  margin-bottom: 80px;
}
.kw-circle {
  position: relative;
  width: 272px;
  height: 272px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  text-align: center;
}
.kw-circle + .kw-circle { margin-left: -42px; }

.kw-circle__ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
/* 隣の円の下をくぐって見えるように、交差部の弧だけ前面に描き直す */
.kw-circle__patch {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}
.kw-circle__icon {
  width: 62px;
  height: 62px;
}
.kw-circle--01 .kw-circle__icon { color: #b3a14e; }
.kw-circle--02 .kw-circle__icon { color: #6fb0c4; }
.kw-circle--03 .kw-circle__icon { color: #cf6f5a; }

.kw-circle__label {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 23px;
  letter-spacing: .14em;
  color: #33383d;
}

/* three keyword columns */
.concept__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.kw-col {
  padding: 6px 32px;
  text-align: center;
  border-left: 1px solid #c9d0d6;
}
.kw-col:last-child { border-right: 1px solid #c9d0d6; }

.kw-col__num {
  display: block;
  font-family: "Jost", sans-serif;
  font-style: italic;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: .1em;
  margin-bottom: 14px;
}
.kw-col--01 .kw-col__num { color: #b3a14e; }
.kw-col--02 .kw-col__num { color: #6fb0c4; }
.kw-col--03 .kw-col__num { color: #cf6f5a; }

.kw-col__title {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 22px;
  letter-spacing: .16em;
  color: #33383d;
  margin-bottom: 18px;
}
.kw-col__lead {
  font-family: "Noto Serif JP", serif;
  font-size: 15px;
  line-height: 2;
  letter-spacing: .06em;
  color: #3a4046;
  margin-bottom: 16px;
}
.kw-col__text {
  font-size: 11px;
  line-height: 1.9;
  letter-spacing: .03em;
  color: #8a9299;
}

/* ===== Section title ===== */
.section-title {
  text-align: center;
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 26px;
  letter-spacing: .22em;
  color: #33383d;
  margin-bottom: 50px;
}
.section-title__en {
  display: block;
  font-family: "Jost", sans-serif;
  font-weight: 400;
  font-size: 13px;
  letter-spacing: .3em;
  color: #8a9299;
  margin-bottom: 10px;
}

/* ===== Works / 施工事例 ===== */
.works {
  background: #ffffff;
  padding: 90px 40px;
}
.works__inner {
  max-width: 940px;
  margin: 0 auto;
}

.works__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.works__item {
  margin: 0;
  overflow: hidden;
  grid-column: span 2;      /* bottom row: 3 equal */
  aspect-ratio: 4 / 3;
  background: #e5e8ea;
}
.works__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.works__item:hover img { transform: scale(1.05); }

/* top row: wide + tall(narrow) */
.works__item--wide {
  grid-column: span 4;
  aspect-ratio: auto;       /* stretch to fill the row height */
  position: relative;
}
.works__item--wide img {
  position: absolute;
  inset: 0;                 /* fill without adding intrinsic height */
}
.works__item--tall {
  grid-column: span 2;
  aspect-ratio: 3 / 4;      /* sets the top row height */
}

/* ===== Keyword 01 / 自由設計 ===== */
.feature {
  --feature-gold: #b0a161;
  display: grid;
  grid-template-columns: 300px 1fr;
  background: #ffffff;
}

/* left sidebar */
.feature__side {
  background: var(--feature-gold);
  color: #fff;
  padding: 44px 34px 60px;
}
.feature__kw {
  display: block;
  font-family: "Jost", sans-serif;
  font-style: italic;
  font-weight: 500;
  font-size: 18px;
  letter-spacing: .08em;
  margin-bottom: 16px;
}
.feature__title {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 36px;
  letter-spacing: .2em;
  line-height: 1.2;
  margin-bottom: 10px;
}
.feature__line {
  display: block;
  width: 1px;
  height: 150px;
  background: rgba(255,255,255,.85);
  transform: rotate(35deg);
  margin: 12px 0 26px 70px;
}
.feature__lead {
  font-family: "Noto Serif JP", serif;
  font-size: 21px;
  line-height: 1.9;
  letter-spacing: .08em;
  margin-bottom: 24px;
}
.feature__body {
  font-size: 12.5px;
  line-height: 2.2;
  letter-spacing: .04em;
  color: rgba(255,255,255,.96);
}

/* right main */
.feature__main {
  position: relative;
  min-width: 0;
  padding: 50px 80px 60px 40px;
}

/* corner tab */
.feature__tab {
  position: absolute;
  top: 0;
  right: 0;
  width: 52px;
  padding: 12px 0 16px;
  background: var(--feature-gold);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}
.feature__tab-num {
  font-family: "Jost", sans-serif;
  font-style: italic;
  font-size: 20px;
}
.feature__tab-label {
  writing-mode: vertical-rl;
  font-family: "Noto Serif JP", serif;
  font-size: 13px;
  letter-spacing: .2em;
}

/* catch copy */
.feature__catch {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 26px;
  line-height: 1.9;
  letter-spacing: .14em;
  color: #3a4046;
  margin-bottom: 34px;
}
.feature__catch span { color: var(--feature-gold); }

/* photos: 左に大きな1枚、右に小2枚を縦積み */
.feature__photos {
  display: grid;
  grid-template-columns: 2.5fr 1fr;
  gap: 20px;
}
.feature__photo-main {
  margin: 0;
  position: relative;
  min-height: 300px;
}
.feature__photo-main img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.feature__photo-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.feature__photo-plan,
.feature__photo-sub { margin: 0; }
.feature__photo-plan img,
.feature__photo-sub img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ===== Keyword 02 / RC造 ===== */
.rc {
  --rc-teal: #8fb2ba;
  --rc-teal-light: #a9c6cd;
  --rc-navy: #2c3e57;
  display: grid;
  grid-template-columns: 300px 1fr;
  background: #ffffff;
}

/* left sidebar */
.rc__side {
  background: var(--rc-teal);
  color: #fff;
  padding: 44px 34px 60px;
}
.rc__kw {
  display: block;
  font-family: "Jost", sans-serif;
  font-style: italic;
  font-weight: 500;
  font-size: 18px;
  letter-spacing: .08em;
  margin-bottom: 16px;
}
.rc__title {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 36px;
  letter-spacing: .2em;
  line-height: 1.2;
  margin-bottom: 10px;
}
.rc__line {
  display: block;
  width: 1px;
  height: 150px;
  background: rgba(255,255,255,.85);
  transform: rotate(35deg);
  margin: 12px 0 26px 70px;
}
.rc__lead {
  font-family: "Noto Serif JP", serif;
  font-size: 21px;
  line-height: 1.9;
  letter-spacing: .08em;
  margin-bottom: 24px;
}
.rc__body {
  font-size: 12.5px;
  line-height: 2.2;
  letter-spacing: .04em;
  color: rgba(255,255,255,.96);
}

/* right main */
.rc__main {
  position: relative;
  min-width: 0;
}

/* corner tab */
.rc__tab {
  position: absolute;
  top: 0;
  right: 0;
  width: 52px;
  padding: 12px 0 16px;
  background: var(--rc-teal-light);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}
.rc__tab-num {
  font-family: "Jost", sans-serif;
  font-style: italic;
  font-size: 20px;
}
.rc__tab-label {
  writing-mode: vertical-rl;
  font-family: "Noto Serif JP", serif;
  font-size: 13px;
  letter-spacing: .2em;
}

/* header bar */
.rc__header {
  background: var(--rc-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 80px 16px 40px;
}
.rc__header-title {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 20px;
  letter-spacing: .1em;
}
.rc__header-logo {
  width: 34px;
  height: auto;
  flex-shrink: 0;
}
.rc__header-num {
  font-size: 34px;
  line-height: 1;
  margin: 0 3px;
}
.rc__header-en {
  font-family: "Jost", sans-serif;
  font-style: italic;
  font-weight: 400;
  font-size: 13px;
  letter-spacing: .06em;
  white-space: nowrap;
  color: rgba(255,255,255,.9);
}

/* content grid */
.rc__grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr;
  padding: 40px 70px 60px 0;
}
.rc__col {
  padding: 0 26px;
  border-right: 1px solid #dde3e6;
}
.rc__col:last-child { border-right: none; }
.rc__col--photos { padding-left: 40px; }

/* block heading */
.rc-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 20px;
  letter-spacing: .1em;
  color: #33424e;
  margin-bottom: 24px;
}
.rc-head__num {
  font-family: "Jost", sans-serif;
  font-style: italic;
  font-weight: 400;
  font-size: 26px;
  color: var(--rc-teal);
}
.rc-head small {
  font-size: 12px;
  letter-spacing: .05em;
  color: #6a7178;
}
.rc-head--gap {
  margin-top: 38px;
  padding-top: 30px;
  border-top: 1px solid #dde3e6;
}

/* photo rows (01 安全性能) */
.rc-photo {
  display: grid;
  grid-template-columns: 55% 1fr;
  gap: 16px;
  align-items: center;
}
.rc-photo + .rc-photo { margin-top: 22px; }
.rc-photo__fig {
  position: relative;
  margin: 0;
}
.rc-photo__fig img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.rc-photo__fig figcaption {
  position: absolute;
  top: 10px;
  left: 12px;
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .06em;
  text-shadow: 0 1px 4px rgba(0,0,0,.45);
}
.rc-photo__text {
  font-size: 11.5px;
  line-height: 1.9;
  letter-spacing: .03em;
  color: #5c646b;
}

/* icon items */
.rc-item {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 16px;
  align-items: start;
}
.rc-item + .rc-item { margin-top: 24px; }
.rc-item__icon {
  width: 58px;
  height: 58px;
  color: var(--rc-teal);
}
.rc-item__body h5 {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .04em;
  color: #33424e;
  margin-bottom: 8px;
}
.rc-item__body p {
  font-size: 11.5px;
  line-height: 1.9;
  letter-spacing: .03em;
  color: #5c646b;
}

/* ===== Keyword 03 / アフターサポート ===== */
.support {
  --sup-terra: #b97e68;
  --sup-accent: #bd6f58;
  display: grid;
  grid-template-columns: 300px 1fr;
  background: #ffffff;
}

/* left sidebar */
.support__side {
  background: var(--sup-terra);
  color: #fff;
  padding: 44px 34px 60px;
}
.support__kw {
  display: block;
  font-family: "Jost", sans-serif;
  font-style: italic;
  font-weight: 500;
  font-size: 18px;
  letter-spacing: .08em;
  margin-bottom: 16px;
}
.support__title {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 28px;
  letter-spacing: .14em;
  line-height: 1.4;
  margin-bottom: 10px;
}
.support__line {
  display: block;
  width: 1px;
  height: 150px;
  background: rgba(255,255,255,.85);
  transform: rotate(35deg);
  margin: 12px 0 26px 70px;
}
.support__lead {
  font-family: "Noto Serif JP", serif;
  font-size: 21px;
  line-height: 1.9;
  letter-spacing: .08em;
  margin-bottom: 24px;
}
.support__body {
  font-size: 12.5px;
  line-height: 2.2;
  letter-spacing: .04em;
  color: rgba(255,255,255,.96);
}

/* right main */
.support__main {
  position: relative;
  min-width: 0;
  display: grid;
  grid-template-columns: 40% 1fr;
  padding: 50px 80px 60px 0;
}

/* corner tab */
.support__tab {
  position: absolute;
  top: 0;
  right: 0;
  width: 52px;
  padding: 12px 0 16px;
  background: var(--sup-terra);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}
.support__tab-num {
  font-family: "Jost", sans-serif;
  font-style: italic;
  font-size: 20px;
}
.support__tab-label {
  writing-mode: vertical-rl;
  font-family: "Noto Serif JP", serif;
  font-size: 13px;
  letter-spacing: .2em;
}

/* left column: 3 points */
.support__points {
  padding: 0 44px 0 40px;
  border-right: 1px solid #e3dcd7;
}
.support__points-title {
  text-align: center;
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 23px;
  letter-spacing: .14em;
  color: #33383d;
  margin-bottom: 34px;
}
.support__points-num {
  font-size: 38px;
  line-height: 1;
  margin: 0 3px;
  color: var(--sup-accent);
}

.support-point {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 20px;
  align-items: start;
  padding: 28px 0;
  border-top: 1px solid #e3dcd7;
}
.support-point:last-of-type { border-bottom: 1px solid #e3dcd7; }
.support-point__icon {
  width: 62px;
  height: 62px;
  color: var(--sup-accent);
}
.support-point__body h4 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 17px;
  letter-spacing: .08em;
  color: #33383d;
  margin-bottom: 14px;
}
.support-point__num {
  font-family: "Jost", sans-serif;
  font-style: italic;
  font-weight: 400;
  font-size: 25px;
  color: var(--sup-accent);
}
.support-point__body ul {
  list-style: none;
}
.support-point__body li {
  position: relative;
  padding-left: 14px;
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: .03em;
  color: #4a5057;
}
.support-point__body li + li { margin-top: 6px; }
.support-point__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4a5057;
}

.support__after {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
  font-family: "Jost", sans-serif;
  font-size: 14px;
  letter-spacing: .18em;
  color: var(--sup-accent);
}
.support__after span {
  width: 56px;
  height: 1px;
  background: #b9a99f;
}

/* right column: schedule */
.support__schedule {
  padding-left: 48px;
  min-width: 0;
}
.support__schedule-head {
  display: flex;
  align-items: baseline;
  gap: 20px;
  margin-bottom: 26px;
}
.support__schedule-title {
  font-family: "Jost", sans-serif;
  font-weight: 400;
  font-size: 30px;
  letter-spacing: .06em;
  color: var(--sup-accent);
  white-space: nowrap;
}
.support__schedule-desc {
  font-size: 12.5px;
  line-height: 1.9;
  letter-spacing: .03em;
  color: #4a5057;
}
.support__schedule-img {
  display: block;
  width: 100%;
  height: auto;
}

.support__schedule-foot {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 30px;
  align-items: start;
  margin-top: 34px;
}
.support__spot {
  background: var(--sup-terra);
  color: #fff;
  padding: 16px 22px;
  max-width: 300px;
}
.support__spot-title {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .1em;
  margin-bottom: 8px;
}
.support__spot-logo {
  display: block;
  width: 170px;
  max-width: 100%;
  margin-bottom: 10px;
}
.support__spot-text {
  font-size: 12px;
  line-height: 1.8;
  letter-spacing: .03em;
}
.support__notes {
  list-style: none;
}
.support__notes li {
  font-size: 11px;
  line-height: 1.9;
  letter-spacing: .02em;
  color: #6a7178;
}

/* ===== Q&A ===== */
.qa {
  --qa-navy: #3f5060;
  --qa-steel: #6f8296;
  background: #ffffff;
  padding: 80px 40px 100px;
}
.qa__inner {
  max-width: 1060px;
  margin: 0 auto;
}

/* header */
.qa__header {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-bottom: 50px;
}
.qa__title {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 34px;
  letter-spacing: .06em;
  color: var(--qa-navy);
  white-space: nowrap;
}
.qa__title-qa {
  font-family: "Jost", sans-serif;
  font-weight: 500;
  font-size: 46px;
  letter-spacing: .02em;
}
.qa__bubble {
  position: relative;
  border: 1.5px solid var(--qa-navy);
  border-radius: 8px;
  padding: 15px 26px;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--qa-navy);
}
.qa__bubble::before,
.qa__bubble::after {
  content: "";
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  border-style: solid;
}
.qa__bubble::before {
  border-width: 9px 12px 9px 0;
  border-color: transparent var(--qa-navy) transparent transparent;
}
.qa__bubble::after {
  border-width: 7px 10px 7px 0;
  border-color: transparent #ffffff transparent transparent;
  margin-right: -1.5px;
}

/* two columns */
.qa__columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 54px;
}

/* shared grid for head + items */
.qa__col-head,
.qa-item {
  display: grid;
  grid-template-columns: 44px 1fr 22px 1.25fr;
  align-items: start;
}

.qa__col-head {
  padding-bottom: 12px;
  border-bottom: 1px solid #d8dde1;
}
.qa__mark {
  font-family: "Jost", sans-serif;
  font-weight: 300;
  font-size: 26px;
  color: #aeb9c2;
  text-align: center;
  justify-self: center;
}
.qa__mark--q { grid-column: 2; }
.qa__mark--a { grid-column: 4; }

.qa-item {
  padding: 22px 0 24px;
  border-bottom: 1px solid #d8dde1;
}
.qa-item__num {
  grid-column: 1;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--qa-steel);
  color: #fff;
  font-family: "Jost", sans-serif;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.qa-item__q {
  grid-column: 2;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.85;
  letter-spacing: .03em;
  color: #35404a;
  padding-right: 10px;
}
.qa-item__chevron {
  grid-column: 3;
  width: 9px;
  height: 9px;
  border-top: 1.5px solid #bcc4cc;
  border-right: 1.5px solid #bcc4cc;
  transform: rotate(45deg);
  margin-top: 6px;
  justify-self: center;
}
.qa-item__a {
  grid-column: 4;
  font-size: 13px;
  line-height: 2;
  letter-spacing: .02em;
  color: #6a7178;
}

/* ===== 基本性能 ===== */
.spec {
  --spec-navy: #2c3e57;
  background: #e9eef1;
  padding: 28px 40px;
}
.spec__inner {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  align-items: stretch;
}
.spec__label {
  background: var(--spec-navy);
  color: #fff;
  writing-mode: vertical-rl;
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 19px;
  letter-spacing: .28em;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 0;
}

.spec__boxes {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1.7fr;
  gap: 20px;
}
.spec-box {
  background: #fff;
  border: 2px solid var(--spec-navy);
  color: var(--spec-navy);
  padding: 18px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  text-align: center;
}
.spec-box__title {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: .06em;
  line-height: 1.5;
}
.spec-box__icon {
  width: 54px;
  height: 54px;
}
.spec-box__value {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  line-height: 1;
}
.spec-box__value strong {
  font-size: 34px;
  font-weight: 500;
  letter-spacing: .04em;
}
.spec-box__value span {
  font-size: 13px;
  margin-left: 4px;
}

/* right list box */
.spec-box--list {
  align-items: stretch;
  justify-content: center;
  gap: 14px;
  padding: 18px 22px;
  text-align: left;
}
.spec-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.spec-item__icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}
.spec-item__label {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 16px;
  letter-spacing: .08em;
  white-space: nowrap;
}
.spec-item__note {
  font-size: 10px;
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: .02em;
  margin-left: 4px;
}

/* ===== 無料ファーストプラン ===== */
.fplan {
  --fplan-navy: #2c3e57;
  --fplan-gold: #a8964a;
  --fplan-gold-light: #d3b061;
  background: linear-gradient(168deg, #2e4059 0%, #22304a 60%, #1d2a41 100%);
  padding: 90px 40px 100px;
}
.fplan__inner {
  max-width: 940px;
  margin: 0 auto;
}

.fplan__header {
  text-align: center;
  margin-bottom: 54px;
}
.fplan__en {
  display: block;
  font-family: "Jost", sans-serif;
  font-weight: 400;
  font-size: 15px;
  letter-spacing: .38em;
  color: var(--fplan-gold-light);
  margin-bottom: 14px;
}
.fplan__title {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px;
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 30px;
  letter-spacing: .1em;
  color: #ffffff;
  margin-bottom: 22px;
}
.fplan__title-sub {
  font-size: .62em;
  letter-spacing: .06em;
}
.fplan__title-em {
  color: var(--fplan-gold-light);
  font-size: 1.18em;
}
.fplan__title-num {
  font-family: "Jost", sans-serif;
  font-weight: 400;
  font-size: 52px;
  line-height: 1;
  color: var(--fplan-gold-light);
  margin: 0 2px;
}
.fplan__catch {
  display: inline-block;
  position: relative;
  font-family: "Noto Serif JP", serif;
  font-size: 16px;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .85);
  padding: 0 34px;
}
.fplan__catch::before,
.fplan__catch::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 22px;
  height: 1px;
  background: rgba(255, 255, 255, .45);
}
.fplan__catch::before { left: 0; transform: rotate(60deg); }
.fplan__catch::after { right: 0; transform: rotate(-60deg); }
.fplan__catch-br { display: none; }

/* cards */
.fplan__list {
  display: grid;
  gap: 20px;
}
.fplan-card {
  display: grid;
  grid-template-columns: 110px 1fr;
  align-items: center;
  column-gap: 30px;
  background: #ffffff;
  border: none;
  border-radius: 4px;
  box-shadow: 0 10px 28px rgba(8, 16, 30, .28);
  padding: 30px 40px 30px 26px;
}
.fplan-card__side {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding-right: 26px;
  border-right: 1px solid #e3e8ec;
}
.fplan-card__num {
  font-family: "Jost", sans-serif;
  font-weight: 300;
  font-size: 34px;
  line-height: 1;
  color: var(--fplan-gold);
}
.fplan-card__icon {
  width: 52px;
  height: 52px;
  color: var(--fplan-navy);
}
.fplan-card__title {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 19px;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--fplan-navy);
  margin-bottom: 8px;
}
.fplan-card__lead {
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: .05em;
  color: var(--fplan-gold);
  margin-bottom: 10px;
}
.fplan-card__text {
  font-size: 13px;
  line-height: 2;
  letter-spacing: .03em;
  color: #5c646b;
}
.fplan-card__hits {
  margin-top: 14px;
  padding: 14px 18px;
  background: #f7f5ee;
  border-radius: 4px;
}
.fplan-card__hits-title {
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--fplan-gold);
  margin-bottom: 9px;
}
.fplan-card__hits-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
}
.fplan-card__hits-list li {
  font-size: 12px;
  letter-spacing: .03em;
  line-height: 1.7;
  color: #5c646b;
  background: #ffffff;
  border: 1px solid #e0d9c4;
  border-radius: 999px;
  padding: 3px 13px;
}

/* CTA */
.fplan__cta {
  text-align: center;
  margin-top: 56px;
}
.fplan__cta-text {
  font-family: "Noto Serif JP", serif;
  font-size: 21px;
  letter-spacing: .12em;
  color: #ffffff;
  margin-bottom: 24px;
}
.fplan__cta-br { display: none; }
.fplan__cta-btn {
  display: inline-block;
  background: linear-gradient(115deg, #d3b061 0%, #b8923c 55%, #cfa94f 100%);
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: .18em;
  padding: 18px 64px;
  border-radius: 999px;
  box-shadow: 0 8px 22px rgba(0, 0, 0, .3);
  transition: transform .2s, box-shadow .2s;
}
.fplan__cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(0, 0, 0, .38);
}

/* ===== 家づくりの流れ ===== */
.flow {
  --flow-navy: #574b66;
  background: #ffffff;
  padding: 90px 40px 100px;
}
.flow__inner {
  max-width: 860px;
  margin: 0 auto;
}

.flow__stage + .flow__stage { margin-top: 26px; }

/* stage ribbon */
.flow-badge {
  display: inline-block;
  position: relative;
  background: var(--flow-navy);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .22em;
  line-height: 1;
  padding: 11px 34px 11px 42px;
  margin-bottom: 34px;
}
.flow-badge::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 0;
  border-top: 18px solid transparent;
  border-bottom: 18px solid transparent;
  border-left: 13px solid var(--flow-navy);
}

/* steps */
.flow__steps { list-style: none; }

.flow-step {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 28px;
  position: relative;
  padding-bottom: 48px;
}
.flow-step:last-child { padding-bottom: 20px; }
.flow-step::before {
  content: "";
  position: absolute;
  left: 45px;
  top: 62px;
  bottom: 6px;
  width: 1px;
  background: #c9d0d8;
}
.flow-step:last-child::before { display: none; }

.flow-step__num {
  font-family: "Jost", sans-serif;
  font-weight: 300;
  font-size: 46px;
  line-height: 1;
  color: var(--flow-navy);
  text-align: center;
  padding-top: 2px;
}

.flow-step__title {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 21px;
  letter-spacing: .14em;
  color: var(--flow-navy);
  margin-bottom: 16px;
}
.flow-step__icon {
  width: 46px;
  height: 46px;
  color: var(--flow-navy);
  flex-shrink: 0;
}

.flow-step__text {
  font-size: 13px;
  line-height: 2;
  letter-spacing: .04em;
  color: #4a5057;
}

/* sub blocks (ヒアリング / POINT / 項目例) */
.flow-step__sub {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid #dde1e6;
  max-width: 560px;
}
.flow-step__sub h4 {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 15px;
  letter-spacing: .12em;
  color: var(--flow-navy);
  margin-bottom: 10px;
}
.flow-step__sub h4.flow-step__point {
  font-family: "Jost", sans-serif;
  font-weight: 400;
  letter-spacing: .24em;
}
.flow-step__sub p {
  font-size: 12.5px;
  line-height: 2;
  letter-spacing: .03em;
  color: #5c646b;
}
.flow-step__sub ul { list-style: none; }
.flow-step__sub li {
  position: relative;
  padding-left: 14px;
  font-size: 12.5px;
  line-height: 2;
  letter-spacing: .03em;
  color: #5c646b;
}
.flow-step__sub li::before {
  content: "・";
  position: absolute;
  left: 0;
}
.flow-step__note {
  margin-top: 10px;
  font-size: 11.5px;
  color: #6a7178;
}

/* アフターサポート box */
.flow__after {
  margin-top: 28px;
  background: #ebe7f0;
  padding: 24px 28px;
}
.flow__after h4 {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 17px;
  letter-spacing: .14em;
  color: var(--flow-navy);
  margin-bottom: 10px;
}
.flow__after p {
  font-size: 12.5px;
  line-height: 2;
  letter-spacing: .03em;
  color: #4a5057;
}

/* ===== 固定CTA ===== */
.fixed-cta {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 9px;
  background: linear-gradient(115deg, #d3b061 0%, #b8923c 55%, #cfa94f 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .12em;
  line-height: 1;
  padding: 17px 28px;
  border-radius: 999px;
  box-shadow: 0 8px 22px rgba(90, 68, 20, .35);
  transition: transform .2s, box-shadow .2s;
}
.fixed-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(90, 68, 20, .42);
}
.fixed-cta__icon {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
}

/* ===== Contact / 無料相談申し込みフォーム ===== */
.contact {
  --contact-navy: #2c3e57;
  --contact-req: #cf6f5a;
  background: #eef2f5;
  padding: 90px 40px 100px;
}
.contact__inner {
  max-width: 760px;
  margin: 0 auto;
}
.contact__note {
  text-align: center;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--contact-req);
  margin: -34px 0 40px;
}

.contact-form {
  background: #ffffff;
  border: 1px solid #d8dee4;
  padding: 46px clamp(24px, 5vw, 56px) 50px;
}

.contact-field {
  border: none;
  padding: 0;
  margin: 0 0 28px;
}
.contact-field__label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  font-weight: 500;
  letter-spacing: .06em;
  color: #35404a;
  margin-bottom: 10px;
}
.contact-field__req {
  display: inline-block;
  background: var(--contact-req);
  color: #fff;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .12em;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 2px;
}
.contact-field__input {
  width: 100%;
  border: 1px solid #c5cdd4;
  border-radius: 3px;
  background: #fbfcfd;
  font-family: inherit;
  font-size: 15px;
  color: #333;
  padding: 12px 14px;
  transition: border-color .2s, background .2s;
}
.contact-field__input::placeholder { color: #9aa4ad; }
.contact-field__input:focus {
  outline: none;
  border-color: var(--contact-navy);
  background: #ffffff;
}
.contact-field__textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-field__question {
  font-size: 13.5px;
  letter-spacing: .04em;
  color: #5c646b;
  margin-bottom: 12px;
}

.contact-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}
.contact-choices--wrap { gap: 10px 22px; }
.contact-choice {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  letter-spacing: .03em;
  color: #35404a;
  cursor: pointer;
}
.contact-choice input {
  width: 17px;
  height: 17px;
  accent-color: var(--contact-navy);
  cursor: pointer;
}

.contact-form__submit {
  text-align: center;
  margin-top: 38px;
}
.contact-form__btn {
  display: inline-block;
  background: var(--contact-navy);
  color: #fff;
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: .18em;
  border: none;
  border-radius: 2px;
  padding: 18px 72px;
  cursor: pointer;
  transition: opacity .2s;
}
.contact-form__btn:hover { opacity: .82; }

/* ===== Footer ===== */
.site-footer {
  background: var(--navy);
  color: #fff;
  padding: 60px 40px 40px;
  text-align: center;
}
.site-footer__catch {
  font-family: "Jost", sans-serif;
  font-weight: 300;
  font-size: 24px;
  letter-spacing: .14em;
  margin-bottom: 26px;
}
.site-footer__company {
  font-size: 16px;
  letter-spacing: .14em;
  font-weight: 500;
  margin-bottom: 12px;
}
.site-footer__info {
  font-size: 13px;
  letter-spacing: .06em;
  line-height: 1.9;
  color: rgba(255,255,255,.85);
  margin-bottom: 34px;
}
.site-footer__copy {
  font-family: "Jost", sans-serif;
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(255,255,255,.55);
}

/* ===== Responsive ===== */
@media (max-width: 1300px) {
  /* 自由設計: サイドバーを全幅の帯に */
  .feature { grid-template-columns: 1fr; }
  .feature__side {
    display: grid;
    grid-template-columns: 250px 1fr;
    grid-template-rows: auto auto 1fr;
    column-gap: 56px;
    padding: 50px 40px 56px;
  }
  .feature__kw { grid-column: 1; }
  .feature__title { grid-column: 1; margin-bottom: 0; }
  .feature__line { grid-column: 1; height: 90px; margin: 18px 0 0 46px; }
  .feature__lead { grid-column: 2; grid-row: 1 / span 2; margin-bottom: 18px; }
  .feature__body { grid-column: 2; grid-row: 3; max-width: 640px; }
  .feature__main { padding: 44px 40px 56px; }

  /* RC造: サイドバーを全幅の帯に、コンテンツは2カラム＋写真横並びへ */
  .rc { grid-template-columns: 1fr; }
  .rc__side {
    display: grid;
    grid-template-columns: 250px 1fr;
    grid-template-rows: auto auto 1fr;
    column-gap: 56px;
    padding: 50px 40px 56px;
  }
  .rc__kw { grid-column: 1; }
  .rc__title { grid-column: 1; margin-bottom: 0; }
  .rc__line { grid-column: 1; height: 90px; margin: 18px 0 0 46px; }
  .rc__lead { grid-column: 2; grid-row: 1 / span 2; margin-bottom: 18px; }
  .rc__body { grid-column: 2; grid-row: 3; max-width: 640px; }

  .rc__grid { grid-template-columns: 1fr 1fr; padding: 40px 40px 56px; column-gap: 44px; }
  .rc__col { padding: 0; border-right: none; }
  .rc__col:nth-child(2) { border-right: 1px solid #dde3e6; padding-right: 44px; }
  .rc__col--photos {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    column-gap: 28px;
    padding-bottom: 36px;
    margin-bottom: 38px;
    border-bottom: 1px solid #dde3e6;
  }
  .rc__col--photos .rc-head { grid-column: 1 / -1; }
  .rc__col--photos .rc-photo { grid-template-columns: 1fr; gap: 10px; align-items: start; }
  .rc__col--photos .rc-photo + .rc-photo { margin-top: 0; }

  /* アフターサポート: サイドバーを全幅の帯に、ポイントとスケジュールを縦積みへ */
  .support { grid-template-columns: 1fr; }
  .support__side {
    display: grid;
    grid-template-columns: 250px 1fr;
    grid-template-rows: auto auto 1fr;
    column-gap: 56px;
    padding: 50px 40px 56px;
  }
  .support__kw { grid-column: 1; }
  .support__title { grid-column: 1; margin-bottom: 0; font-size: 24px; }
  .support__line { grid-column: 1; height: 90px; margin: 18px 0 0 46px; }
  .support__lead { grid-column: 2; grid-row: 1 / span 2; margin-bottom: 18px; }
  .support__body { grid-column: 2; grid-row: 3; max-width: 640px; }

  .support__main { grid-template-columns: 1fr; padding: 44px 40px 56px; row-gap: 46px; }
  .support__points { padding: 0; border-right: none; }
  .support__schedule { padding-left: 0; }

  /* 基本性能: 2列に */
  .spec__boxes { grid-template-columns: 1fr 1fr 1fr; }
  .spec-box--list { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .site-footer { padding: 46px 22px 32px; }
  .site-footer__catch { font-size: 20px; }
  .site-footer__sep { display: block; height: 4px; }
  .qa { padding: 60px 22px 70px; }
  .qa__header { flex-direction: column; align-items: flex-start; gap: 18px; }
  .qa__bubble::before, .qa__bubble::after { display: none; }
  .qa__columns { grid-template-columns: 1fr; gap: 0; }
  .qa__title { font-size: 28px; }
  .qa__title-qa { font-size: 38px; }
  .feature__side { display: block; padding: 44px 24px 50px; }
  .feature__title { font-size: 32px; margin-bottom: 10px; }
  .feature__lead { font-size: 20px; margin-bottom: 24px; }
  .feature__body { max-width: none; }
  .feature__line { height: 110px; margin: 10px 0 22px 55px; }
  .feature__tab { display: none; }
  .feature__main { padding: 40px 24px 50px; }
  .feature__catch { font-size: 20px; margin-bottom: 26px; }
  .feature__photos { grid-template-columns: 1fr; gap: 20px; }
  .feature__photo-main { position: static; min-height: 0; }
  .feature__photo-main img { position: static; height: auto; aspect-ratio: 16 / 9; }
  .feature__photo-row { grid-template-columns: 1fr 1fr; gap: 20px; }
  .rc { grid-template-columns: 1fr; }
  .rc__side { display: block; padding: 44px 24px 50px; }
  .rc__title { margin-bottom: 10px; }
  .rc__lead { margin-bottom: 24px; }
  .rc__body { max-width: none; }
  .rc__line { height: 110px; margin: 10px 0 22px 55px; }
  .rc__header { flex-direction: column; align-items: flex-start; gap: 8px; padding: 16px 70px 16px 24px; }
  .rc__header-title { font-size: 17px; flex-wrap: wrap; }
  .rc__header-en { white-space: normal; font-size: 12px; }
  .rc__grid { grid-template-columns: 1fr; padding: 34px 24px 50px; gap: 0; }
  .rc__col { padding: 0; border-right: none; }
  .rc__col:nth-child(2) { border-right: none; padding-right: 0; }
  .rc__col--photos {
    grid-template-columns: 1fr;
    row-gap: 22px;
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: none;
  }
  .rc__col + .rc__col { margin-top: 38px; padding-top: 30px; border-top: 1px solid #dde3e6; }
  .support__side { display: block; padding: 44px 24px 50px; }
  .support__title { margin-bottom: 10px; }
  .support__lead { margin-bottom: 24px; }
  .support__body { max-width: none; }
  .support__line { height: 110px; margin: 10px 0 22px 55px; }
  .support__tab { display: none; }
  .support__main { padding: 40px 24px 50px; row-gap: 38px; }
  .support__points-title { font-size: 19px; }
  .support__points-num { font-size: 30px; }
  .support__schedule-head { flex-direction: column; gap: 8px; }
  .support__schedule-foot { grid-template-columns: 1fr; gap: 18px; }
  .support__spot { max-width: none; }
  .spec { padding: 24px; }
  .spec__inner { grid-template-columns: 1fr; gap: 16px; }
  .spec__label { writing-mode: horizontal-tb; padding: 10px 0; letter-spacing: .3em; }
  .spec__boxes { grid-template-columns: 1fr; gap: 14px; }
  .spec-item { flex-wrap: wrap; }
  .spec-item__note { margin-left: 54px; }
  .fplan { padding: 60px 24px 70px; }
  .fplan__title { flex-wrap: wrap; font-size: 21px; }
  .fplan__title-num { font-size: 34px; }
  .fplan__catch { font-size: 14px; padding: 0 28px; }
  .fplan__catch-br { display: block; }
  .fplan-card {
    grid-template-columns: 1fr;
    row-gap: 18px;
    padding: 26px 22px;
  }
  .fplan-card__side {
    flex-direction: row;
    justify-content: flex-start;
    gap: 16px;
    padding-right: 0;
    padding-bottom: 16px;
    border-right: none;
    border-bottom: 1px solid #e3e8ec;
  }
  .fplan-card__icon { width: 44px; height: 44px; }
  .fplan-card__title { font-size: 17px; }
  .fplan__cta-text { font-size: 18px; }
  .fplan__cta-br { display: block; }
  .fplan__cta-btn { padding: 15px 40px; }
  .fixed-cta { right: 14px; bottom: 14px; font-size: 13.5px; padding: 14px 20px; }
  .fixed-cta__icon { width: 17px; height: 17px; }
  .contact { padding: 60px 20px 70px; }
  .contact__note { margin: -26px 0 32px; }
  .contact-form { padding: 32px 20px 38px; }
  .contact-choices { flex-direction: column; gap: 12px; }
  .contact-choices--wrap { flex-direction: row; gap: 12px 18px; }
  .contact-form__btn { width: 100%; padding: 17px 20px; }
  .flow { padding: 60px 24px 70px; }
  .flow-step { grid-template-columns: 54px 1fr; gap: 16px; padding-bottom: 40px; }
  .flow-step::before { left: 27px; top: 48px; }
  .flow-step__num { font-size: 34px; }
  .flow-step__title { font-size: 18px; gap: 12px; flex-wrap: wrap; }
  .flow-step__icon { width: 40px; height: 40px; }
  .flow__after { padding: 20px; }
  .works { padding: 60px 20px; }
  .works__grid { gap: 10px; }
  .works__item { grid-column: span 2; aspect-ratio: 4 / 3; }
  .works__item--wide { grid-column: span 6; aspect-ratio: 16 / 9; }
  .works__item--tall { grid-column: span 6; aspect-ratio: 16 / 9; }
  .section-title { font-size: 22px; }
  .concept { padding: 60px 24px; }
  .concept__title { font-size: 19px; flex-wrap: wrap; margin-bottom: 50px; }
  .concept__title-num { font-size: 32px; }
  .concept__circles { flex-direction: column; align-items: center; margin-bottom: 60px; }
  .kw-circle { width: 240px; height: 240px; }
  .kw-circle + .kw-circle { margin-left: 0; margin-top: -36px; }
  .kw-circle__patch { display: none; }
  .concept__cols { grid-template-columns: 1fr; gap: 34px; }
  .kw-col { border-left: none; border-top: 1px solid #c9d0d6; padding: 30px 10px 0; }
  .kw-col:last-child { border-right: none; }

  .site-nav a:not(.site-nav__cta) { display: none; }

  /* スマホは「上＝写真／下＝コピー」の積み上げ構成に */
  .hero { display: block; min-height: 0; }
  .hero__bg {
    position: relative;
    display: block;
    height: max(46svh, 400px);
    object-position: center 55%;
  }
  .hero__shade {
    inset: 0 0 auto 0;
    height: max(46svh, 400px);
    background: linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0) 42%,
      rgba(255, 255, 255, .45) 68%,
      rgba(255, 255, 255, .9) 88%,
      #ffffff 100%
    );
  }
  .hero__tate { top: 82px; }
  .hero__tate-main { font-size: 15px; letter-spacing: .16em; margin-left: 10px; }
  .hero__tate-sub { font-size: 11.5px; letter-spacing: .3em; }
  .hero__bottom { padding-top: 4px; padding-bottom: 26px; }
  .hero__copy-lead { margin-bottom: 6px; }
  .hero__copy-main { margin-bottom: 18px; }
  .hero__foot { margin-bottom: 18px; }
  .hero__brand-mark { width: 44px; }
  .hero__brand-text { font-size: 19px; }
  .hero__ribbon { padding: 13px 24px; }
  .hero__note { text-align: left; line-height: 1.9; }
}