/**
 * front-page.css — Surprise, Again
 * フロントページ専用スタイル（各セクションの詳細デザイン）
 */

/* ============================================================
   01. HERO
   ============================================================ */
.sa-hero {
  position: relative;
  overflow: hidden;
  background: var(--sa-bg-warm);
}

/* 背景グラデーションオーブ */
.sa-hero-bg-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.sa-hero-bg-orb--top-right {
  top: -10%;
  right: -6%;
  width: min(48vw, 620px);
  height: min(48vw, 620px);
  background: radial-gradient(circle at 40% 38%, rgba(195,164,107,.3), rgba(195,164,107,0) 62%);
  filter: blur(8px);
}

.sa-hero-bg-orb--bottom-left {
  bottom: -12%;
  left: -8%;
  width: min(42vw, 520px);
  height: min(42vw, 520px);
  background: radial-gradient(circle, rgba(138,111,134,.24), rgba(138,111,134,0) 64%);
  filter: blur(8px);
}

/* 浮遊3Dオブジェクト装飾 */
.sa-hero-float {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.sa-hero-float--gold {
  top: 16%;
  left: 7%;
  width: clamp(46px, 7vw, 92px);
  height: clamp(46px, 7vw, 92px);
  background: radial-gradient(circle at 34% 28%, #E7D6AD, #C3A46B 56%, #A3824F);
  box-shadow: inset -6px -8px 16px rgba(0,0,0,.16), inset 5px 6px 14px rgba(255,255,255,.4);
  filter: drop-shadow(0 26px 40px rgba(163,130,79,.6));
}

.sa-hero-float--mauve {
  bottom: 22%;
  right: 9%;
  width: clamp(40px, 6vw, 80px);
  height: clamp(40px, 6vw, 80px);
  border-radius: 58% 42% 55% 45% / 52% 48%;
  background: radial-gradient(circle at 32% 28%, #C3AEC0, #8A6F86 58%, #6C5468);
  box-shadow: inset -6px -8px 16px rgba(0,0,0,.18), inset 5px 6px 14px rgba(255,255,255,.34);
  filter: drop-shadow(0 24px 38px rgba(138,111,134,.62));
}

.sa-hero-float--brown-sm {
  top: 32%;
  right: 16%;
  width: clamp(26px, 3.4vw, 44px);
  height: clamp(26px, 3.4vw, 44px);
  background: radial-gradient(circle at 34% 30%, #B59A8E, #7B5A4A 60%, #5D4438);
  box-shadow: inset -4px -5px 11px rgba(0,0,0,.2);
  filter: drop-shadow(0 16px 26px rgba(123,90,74,.6));
}

/* ヒーロー内部レイアウト */
.sa-hero-inner {
  position: relative;
  max-width: var(--sa-max-width);
  margin-inline: auto;
  padding: clamp(132px, 18vh, 210px) var(--sa-section-px) clamp(74px, 11vh, 128px);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.sa-hero-mark {
  position: relative;
  width: min(74vw, 352px);
  aspect-ratio: 1;
  margin-bottom: clamp(30px, 5vh, 52px);
  filter: drop-shadow(0 46px 56px rgba(123,90,74,.32));
}

.sa-hero-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.sa-hero-sublabel {
  font-family: var(--sa-font-en);
  font-size: clamp(11px, 1.3vw, 13px);
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--sa-gold);
  margin-bottom: 20px;
}

.sa-hero-heading {
  font-family: var(--sa-font-jp);
  font-weight: 700;
  font-size: clamp(30px, 5.6vw, 60px);
  line-height: 1.26;
  letter-spacing: 0.01em;
  color: var(--sa-text-dark);
  margin: 0 0 22px;
}

.sa-hero-subtext {
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 2.05;
  color: var(--sa-text-mid);
  max-width: 30em;
  margin: 0 0 38px;
}

.sa-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}


/* ============================================================
   02. ABOUT
   ============================================================ */
.sa-about {
  position: relative;
  background: var(--sa-bg-white);
  overflow: hidden;
}

.sa-about-bg-orb {
  position: absolute;
  top: -60px;
  right: -40px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(195,164,107,.16), rgba(195,164,107,0) 66%);
  pointer-events: none;
}

.sa-about-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(30px, 5vw, 72px);
  align-items: start;
}

.sa-about-heading {
  font-family: var(--sa-font-jp);
  font-weight: 700;
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1.34;
  color: var(--sa-text-dark);
  margin: 0;
}

.sa-about-body {
  margin: 0;
  line-height: 2.1;
}

.sa-about-body--main {
  font-size: clamp(16px, 1.5vw, 19px);
  font-weight: 500;
  color: var(--sa-text-dark);
  margin-bottom: 28px;
}

.sa-about-body--sub {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--sa-text-mid);
}

.sa-about-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(28px, 4vw, 56px);
  margin-top: 42px;
}

.sa-about-stat__num {
  font-family: var(--sa-font-en);
  font-weight: 700;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1;
}

.sa-about-stat__num--brown { color: var(--sa-brown); }
.sa-about-stat__num--mauve { color: var(--sa-mauve); }
.sa-about-stat__num--gold  { color: var(--sa-gold);  }

.sa-about-stat__label {
  font-size: 13px;
  color: var(--sa-text-mid);
  margin-top: 8px;
}


/* ============================================================
   03. SERVICE
   ============================================================ */
.sa-service {
  position: relative;
  background: var(--sa-bg-warm);
  overflow: hidden;
}

.sa-section-header {
  text-align: center;
  max-width: 40em;
  margin-inline: auto;
  margin-bottom: clamp(48px, 6vh, 72px);
}

.sa-section-header--left {
  text-align: left;
  margin-inline: 0;
  max-width: 24em;
  margin-bottom: clamp(44px, 6vh, 64px);
}

.sa-section-title {
  font-family: var(--sa-font-jp);
  font-weight: 700;
  font-size: clamp(26px, 3.8vw, 44px);
  line-height: 1.32;
  color: var(--sa-text-dark);
  margin: 0 0 18px;
}

.sa-section-desc {
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 2;
  color: var(--sa-text-mid);
  margin: 0;
}

/* サービスグリッド */
.sa-svc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2.2vw, 28px);
}

.sa-svc-card {
  padding: clamp(26px, 3vw, 38px);
}

/* サービスアイコン */
.sa-svc-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--sa-radius-icon);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  box-shadow: inset 0 2px 6px rgba(255,255,255,.7);
}

.sa-svc-icon--brown-cube {
  background: linear-gradient(145deg, #F2EBE0, #E7DDCA);
  filter: drop-shadow(0 14px 26px rgba(123,90,74,.4));
}
.sa-svc-icon--brown-cube .sa-svc-icon__shape {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(145deg, #9B8090, #7B5A4A);
  box-shadow: inset -4px -5px 9px rgba(0,0,0,.22), inset 4px 5px 9px rgba(255,255,255,.28);
  transform: rotate(-8deg);
  filter: drop-shadow(0 8px 14px rgba(123,90,74,.5));
}

.sa-svc-icon--mauve-sphere {
  background: linear-gradient(145deg, #EFE7EE, #E3D6E1);
  filter: drop-shadow(0 14px 26px rgba(138,111,134,.4));
}
.sa-svc-icon--mauve-sphere .sa-svc-icon__shape {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: radial-gradient(circle at 33% 28%, #C8B4C5, #8A6F86 58%, #6C5468);
  box-shadow: inset -4px -5px 9px rgba(0,0,0,.24);
  filter: drop-shadow(0 8px 14px rgba(138,111,134,.55));
}

.sa-svc-icon--gold-pill {
  background: linear-gradient(145deg, #F3EBDF, #EBE0C6);
  filter: drop-shadow(0 14px 26px rgba(195,164,107,.42));
}
.sa-svc-icon--gold-pill .sa-svc-icon__shape {
  width: 30px;
  height: 40px;
  border-radius: 16px;
  background: linear-gradient(145deg, #E2CF9E, #C3A46B 60%, #A3824F);
  box-shadow: inset -4px -5px 9px rgba(0,0,0,.2), inset 3px 4px 8px rgba(255,255,255,.4);
  filter: drop-shadow(0 8px 14px rgba(195,164,107,.55));
}

.sa-svc-icon--brown-blob {
  background: linear-gradient(145deg, #F2EBE0, #E7DDCA);
  filter: drop-shadow(0 14px 26px rgba(123,90,74,.4));
}
.sa-svc-icon--brown-blob .sa-svc-icon__shape {
  width: 36px;
  height: 36px;
  border-radius: 62% 38% 55% 45% / 58% 45% 55% 42%;
  background: linear-gradient(145deg, #B59A8E, #7B5A4A 60%, #5D4438);
  box-shadow: inset -4px -5px 9px rgba(0,0,0,.22);
  filter: drop-shadow(0 8px 14px rgba(123,90,74,.5));
}

.sa-svc-icon--mauve-ring {
  background: linear-gradient(145deg, #EFE7EE, #E3D6E1);
  filter: drop-shadow(0 14px 26px rgba(138,111,134,.4));
}
.sa-svc-icon--mauve-ring .sa-svc-icon__shape {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 11px solid #8A6F86;
  background: transparent;
  box-shadow: inset -2px -3px 6px rgba(0,0,0,.22);
  filter: drop-shadow(0 8px 14px rgba(138,111,134,.55));
}

.sa-svc-icon--logo-mark {
  background: linear-gradient(145deg, #F3EBDF, #EBE0C6);
  filter: drop-shadow(0 14px 26px rgba(195,164,107,.42));
}
.sa-svc-icon--logo-mark .sa-svc-icon__shape {
  /* ロゴマーク画像をインラインで差し込む場合は PHP側で img タグを出力すること */
  width: 40px;
  height: 40px;
  background: url('../images/logo-mark.png') center/contain no-repeat;
}

.sa-svc-card__title {
  font-size: 19px;
  font-weight: 700;
  color: var(--sa-text-dark);
  margin: 0 0 12px;
  letter-spacing: 0.01em;
}

.sa-svc-card__body {
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--sa-text-mid);
  margin: 0;
}


/* ============================================================
   04. STRENGTH
   ============================================================ */
.sa-strength {
  position: relative;
  background: var(--sa-bg-cream);
  overflow: hidden;
}

.sa-strength-bg-orb {
  position: absolute;
  bottom: -80px;
  left: -60px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(138,111,134,.18), rgba(138,111,134,0) 66%);
  pointer-events: none;
}

.sa-str-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 2vw, 24px);
}

.sa-str-card {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  background: var(--sa-bg-white);
  border-radius: 24px;
  padding: clamp(24px, 2.6vw, 32px);
  filter: var(--sa-shadow-soft);
  transition: filter 0.3s, transform 0.3s;
}

.sa-str-card:hover {
  filter: drop-shadow(0 30px 56px rgba(80,60,50,.38));
  transform: translateY(-3px);
}

.sa-str-card--featured {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, #7B5A4A, #5D4438);
  filter: drop-shadow(0 26px 50px rgba(123,90,74,.6));
}

.sa-str-card--featured:hover {
  filter: drop-shadow(0 34px 60px rgba(123,90,74,.7));
}

.sa-str-badge {
  flex: 0 0 auto;
  font-family: var(--sa-font-en);
  font-weight: 700;
  font-size: 22px;
  color: #fff;
  width: 50px;
  height: 50px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.25);
}

.sa-str-badge--brown {
  background: linear-gradient(145deg, #9B8090, #7B5A4A);
  filter: drop-shadow(0 10px 18px rgba(123,90,74,.5));
}
.sa-str-badge--mauve {
  background: linear-gradient(145deg, #A08AA0, #8A6F86);
  filter: drop-shadow(0 10px 18px rgba(138,111,134,.5));
}
.sa-str-badge--gold {
  background: linear-gradient(145deg, #D4B878, #C3A46B);
  filter: drop-shadow(0 10px 18px rgba(195,164,107,.5));
}
.sa-str-badge--cream {
  background: var(--sa-bg-warm);
  color: var(--sa-brown);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.6);
  filter: none;
}

.sa-str-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--sa-text-dark);
  margin: 4px 0 8px;
}

.sa-str-card--featured .sa-str-card__title {
  color: #fff;
}

.sa-str-card__body {
  font-size: 14px;
  line-height: 1.9;
  color: var(--sa-text-mid);
  margin: 0;
}

.sa-str-card--featured .sa-str-card__body {
  color: rgba(255,255,255,.82);
  max-width: 46em;
}


/* ============================================================
   05. WORKS
   ============================================================ */
.sa-works {
  position: relative;
  background: var(--sa-bg-white);
  overflow: hidden;
}

.sa-works-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: clamp(40px, 5vh, 60px);
}

.sa-works-more {
  font-size: 14px;
  font-weight: 500;
  color: var(--sa-brown);
  transition: color 0.2s, gap 0.2s;
}

.sa-works-more:hover {
  color: var(--sa-brown-dark);
}

.sa-works-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 2vw, 24px);
}

.sa-work-card {
  background: var(--sa-bg-warm);
  border-radius: 24px;
  overflow: hidden;
  filter: var(--sa-shadow-soft);
  transition: filter 0.3s, transform 0.3s;
}

.sa-work-card:hover {
  filter: drop-shadow(0 30px 56px rgba(80,60,50,.38));
  transform: translateY(-4px);
}

.sa-work-card__thumb {
  aspect-ratio: 4 / 5;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.sa-work-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

.sa-work-card:hover .sa-work-card__img {
  transform: scale(1.04);
}

/* プレースホルダー（サムネイルなし時） */
.sa-work-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sa-work-card__placeholder--gold {
  background: linear-gradient(160deg, #EFE7D6, #E3D4B6);
}
.sa-work-card__placeholder--gold::after {
  content: '';
  width: 54%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 28%, #E8D6AD, #C3A46B 58%, #9C7C4A);
  box-shadow: inset -10px -12px 24px rgba(0,0,0,.18), inset 8px 9px 18px rgba(255,255,255,.4);
  filter: drop-shadow(0 30px 40px rgba(163,130,79,.6));
}

.sa-work-card__placeholder--mauve {
  background: linear-gradient(160deg, #EFE7EE, #DDD0DC);
}
.sa-work-card__placeholder--mauve::after {
  content: '';
  width: 52%;
  aspect-ratio: 1;
  border-radius: 60% 40% 52% 48% / 55% 48% 52% 45%;
  background: radial-gradient(circle at 33% 28%, #CDBACB, #8A6F86 58%, #62506B);
  box-shadow: inset -10px -12px 24px rgba(0,0,0,.2), inset 8px 9px 18px rgba(255,255,255,.32);
  filter: drop-shadow(0 30px 40px rgba(138,111,134,.6));
}

.sa-work-card__placeholder--brown {
  background: linear-gradient(160deg, #EFE5E0, #E0CFD0);
}
.sa-work-card__placeholder--brown::after {
  content: '';
  width: 50%;
  aspect-ratio: 1;
  border-radius: 26px;
  background: linear-gradient(150deg, #B69A8D, #7B5A4A 62%, #553D31);
  box-shadow: inset -10px -12px 24px rgba(0,0,0,.22), inset 8px 9px 18px rgba(255,255,255,.28);
  transform: rotate(-6deg);
  filter: drop-shadow(0 30px 40px rgba(123,90,74,.6));
}

.sa-work-card__meta {
  padding: 20px 22px 24px;
}

.sa-work-card__cat {
  font-family: var(--sa-font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.sa-work-card__cat--gold  { color: var(--sa-gold); }
.sa-work-card__cat--mauve { color: var(--sa-mauve); }
.sa-work-card__cat--brown { color: var(--sa-brown); }

.sa-work-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--sa-text-dark);
  margin: 0;
}

.sa-work-card__title a {
  color: inherit;
  transition: color 0.2s;
}

.sa-work-card__title a:hover {
  color: var(--sa-brown);
}


/* ============================================================
   06. FLOW
   ============================================================ */
.sa-flow {
  position: relative;
  background: var(--sa-bg-warm);
  overflow: hidden;
}

.sa-flow-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 24px 80px;
  position: relative;
}

.sa-flow-step-pad {
  position: relative;
  padding-left: 96px;
  padding-bottom: 64px;
}

.sa-flow-step-pad:last-child {
  padding-bottom: 0;
}

/* タイムラインの縦線 */
.sa-flow-rail {
  position: absolute;
  left: 27px;
  top: 56px;
  bottom: -64px;
  width: 2px;
  background: linear-gradient(180deg, rgba(123,90,74,0.35), rgba(195,164,107,0.35));
}

.sa-flow-step-pad:last-child .sa-flow-rail {
  display: none;
}

/* 丸数字マーカー */
.sa-flow-marker-col {
  position: absolute;
  left: 0;
  top: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--sa-brown);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sa-font-en);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  box-shadow: 0 6px 18px rgba(123, 90, 74, 0.28);
  z-index: 2;
}

/* 横並びの行 */
.sa-flow-row {
  display: flex;
  gap: 32px;
  align-items: stretch;
}

/* イラストブロック */
.sa-flow-illust {
  flex: 0 0 180px;
  position: relative;
  width: 180px;
  height: 180px;
  border-radius: 24px;
  background: #FFFFFF;
  border: 1px solid rgba(45,42,40,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(45,42,40,0.03);
}

.sa-flow-illust svg {
  width: 72px;
  height: 72px;
  position: relative;
  z-index: 2;
}

/* テキストカード */
.sa-flow-card {
  flex: 1;
  background: #FFFFFF;
  border: 1px solid rgba(45,42,40,0.07);
  border-radius: 24px;
  padding: 36px 40px;
  box-shadow: 0 10px 30px rgba(45,42,40,0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sa-flow-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(45,42,40,0.09);
}

.sa-flow-card-step {
  font-family: var(--sa-font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--sa-gold);
  margin-bottom: 10px;
}

.sa-flow-card-title {
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--sa-text-dark);
}

.sa-flow-card-desc {
  font-size: 15px;
  line-height: 1.9;
  color: var(--sa-text-mid);
  margin: 0;
}

/* モバイル用矢印 */
.sa-flow-arrow-mobile {
  display: none;
}


/* ============================================================
   07. COMPANY
   ============================================================ */
.sa-company {
  position: relative;
  background: var(--sa-bg-white);
  overflow: hidden;
}

.sa-company-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(30px, 5vw, 72px);
  align-items: start;
}

.sa-company-table {
  background: var(--sa-bg-warm);
  border-radius: var(--sa-radius-card);
  padding: clamp(8px, 2vw, 20px) clamp(20px, 3vw, 40px);
  filter: drop-shadow(0 24px 50px rgba(80,60,50,.3));
}

.sa-company-row {
  display: flex;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(123,90,74,.1);
}

.sa-company-row--last {
  border-bottom: none;
}

.sa-company-row__label {
  flex: 0 0 auto;
  width: 120px;
  font-size: 14px;
  font-weight: 700;
  color: var(--sa-brown);
  margin: 0;
}

.sa-company-row__value {
  font-size: 15px;
  color: var(--sa-text-dark);
  line-height: 1.8;
  margin: 0;
}


/* ============================================================
   08. CONTACT
   ============================================================ */
.sa-contact {
  position: relative;
  background: linear-gradient(165deg, #EEEAE2, #F7F5F0);
  overflow: hidden;
}

.sa-contact-bg-orb {
  position: absolute;
  top: -80px;
  right: -60px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(195,164,107,.2), rgba(195,164,107,0) 66%);
  pointer-events: none;
}

.sa-contact-inner {
  position: relative;
  max-width: 760px;
  margin-inline: auto;
  padding: var(--sa-section-py) var(--sa-section-px);
  text-align: center;
}

.sa-contact-mark {
  width: 70px;
  height: 70px;
  margin: 0 auto 28px;
  filter: drop-shadow(0 22px 28px rgba(123,90,74,.3));
}

.sa-contact-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.sa-contact-heading {
  font-family: var(--sa-font-jp);
  font-weight: 700;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.4;
  color: var(--sa-text-dark);
  margin: 0 0 20px;
}

.sa-contact-subtext {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 2.05;
  color: var(--sa-text-mid);
  margin: 0 auto 38px;
  max-width: 30em;
}

/* フォームメッセージ */
.sa-form-message {
  display: none;
  padding: 14px 18px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  text-align: center;
}

.sa-form-message--success {
  background: rgba(123,90,74,.08);
  color: var(--sa-brown);
  border: 1px solid rgba(123,90,74,.2);
}

.sa-form-message--error {
  background: rgba(200, 60, 60, 0.06);
  color: #c03c3c;
  border: 1px solid rgba(200, 60, 60, 0.2);
}

.sa-required {
  color: var(--sa-brown);
  margin-left: 2px;
}


/* ============================================================
   index.php 用スタイル
   ============================================================ */
.sa-index-wrap {
  padding-top: 100px;
}

.sa-page-header {
  margin-bottom: clamp(48px, 6vh, 64px);
}

.sa-page-title {
  font-family: var(--sa-font-jp);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 48px);
  color: var(--sa-text-dark);
  margin: 0 0 16px;
}

.sa-page-desc {
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 2;
  color: var(--sa-text-mid);
  margin: 0;
}

.sa-text-link {
  color: var(--sa-brown);
  font-weight: 500;
  transition: opacity 0.2s;
}

.sa-text-link:hover {
  opacity: 0.75;
}

.sa-no-posts {
  text-align: center;
  padding: 80px 0;
}

.sa-no-posts p {
  color: var(--sa-text-mid);
  margin-bottom: 28px;
}


/* ============================================================
   レスポンシブ（フロントページ用）
   ============================================================ */
@media (max-width: 880px) {
  /* Hero */
  .sa-hero-cta {
    flex-direction: column;
    align-items: center;
  }

  /* About */
  .sa-about-grid {
    grid-template-columns: 1fr;
  }

  /* Service */
  .sa-svc-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Strength */
  .sa-str-grid {
    grid-template-columns: 1fr;
  }

  /* Flow */
  .sa-flow-step-pad {
    padding-left: 0;
    padding-bottom: 32px;
  }

  .sa-flow-rail,
  .sa-flow-marker-col {
    display: none;
  }

  .sa-flow-row {
    flex-direction: column;
    align-items: center;
    gap: 20px;
  }

  .sa-flow-illust {
    width: 160px;
    height: 160px;
    flex: 0 0 160px;
  }

  .sa-flow-card {
    width: 100%;
    padding: 24px 30px;
    text-align: center;
  }

  .sa-flow-arrow-mobile {
    display: flex;
    justify-content: center;
    padding-bottom: 24px;
  }

  /* Works */
  .sa-works-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Company */
  .sa-company-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .sa-svc-grid {
    grid-template-columns: 1fr;
  }

  .sa-works-grid {
    grid-template-columns: 1fr;
  }

  .sa-str-grid {
    grid-template-columns: 1fr;
  }
}