/* ============================================
   AdCraft LP - Final: 白×オレンジ基調 + 水色差し色
   - 毎月最大100本 動画滝バージョン
   ============================================ */
:root {
  --bg: #FFFFFF;
  --bg-soft: #FFF9F2;
  --ink: #1A1A1E;
  --ink-2: #4A4A52;
  --ink-3: #7A7A82;

  --orange: #FF8A33;
  --orange-deep: #F56A0F;
  --orange-soft: #FFB97A;
  --orange-pale: #FFE5CE;
  --orange-ultralight: #FFF3E6;

  --cyan: #5EC7E0;
  --cyan-soft: #B8E6F0;

  --line: #EEEAE2;
  --white: #FFFFFF;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Zen Kaku Gothic New", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  font-feature-settings: "palt";
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ============================================
   コーナー幾何装飾
   ============================================ */
.corner {
  position: fixed;
  width: 280px;
  height: 280px;
  pointer-events: none;
  z-index: 1;
}
.corner-tl { top: 0; left: 0; }
.corner-br { bottom: 0; right: 0; transform: rotate(180deg); }

.corner .stripe {
  position: absolute;
  height: 10px;
  border-radius: 5px;
  transform: rotate(-45deg);
  transform-origin: left center;
}
.corner .stripe-1 {
  top: 40px; left: -30px; width: 220px;
  background: linear-gradient(90deg, var(--orange-deep) 0%, var(--orange) 100%);
}
.corner .stripe-2 {
  top: 66px; left: -30px; width: 180px;
  background: var(--orange-soft);
}
.corner .stripe-3 {
  top: 92px; left: -30px; width: 130px;
  background: var(--orange-pale);
}
.corner .block {
  position: absolute;
  width: 22px; height: 22px;
  border-radius: 3px;
  transform: rotate(-45deg);
}
.corner .block-a { top: 140px; left: 26px; background: var(--orange-deep); }
.corner .block-b { top: 138px; left: 62px; background: var(--orange); }
.corner .block-c { top: 172px; left: 44px; background: var(--orange-soft); }

/* ----------- Header ----------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 8px; font-weight: 900; font-size: 22px; color: var(--ink); }
.logo-mark {
  background: linear-gradient(135deg, var(--orange-deep), var(--orange));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  font-size: 22px;
}
.nav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 500; color: var(--ink-2); }
.nav a:hover { color: var(--ink); }
.nav-cta {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-deep) 100%);
  color: var(--white) !important;
  padding: 10px 22px; border-radius: 999px; font-weight: 700;
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 4px 12px rgba(245,106,15,.28);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(245,106,15,.35); }

/* ----------- FV ----------- */
.fv {
  position: relative;
  padding: 60px 24px 40px;
  background: var(--bg);
}
.fv::before {
  content: "";
  position: absolute;
  top: 100px; right: -100px;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,138,51,.12) 0%, rgba(255,138,51,0) 70%);
  filter: blur(20px);
  pointer-events: none;
}
.fv::after {
  content: "";
  position: absolute;
  bottom: 100px; left: -80px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(94,199,224,.14) 0%, rgba(94,199,224,0) 70%);
  filter: blur(20px);
  pointer-events: none;
}
.fv-inner {
  max-width: 1240px; margin: 0 auto;
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px;
  align-items: center; position: relative;
  z-index: 2;
}

/* --- Text side --- */
.fv-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-deep) 100%);
  color: var(--white);
  font-size: 13px; font-weight: 700; letter-spacing: .08em;
  padding: 7px 18px; border-radius: 999px;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(245,106,15,.25);
}

/* ===== Headline ===== */
.fv-headline {
  color: var(--ink);
  margin-bottom: 12px;
  line-height: 1.1;
}
.headline-small {
  display: block;
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 900;
  letter-spacing: .02em;
  margin-bottom: 4px;
}
.headline-hero {
  display: inline-block;
  position: relative;
  margin-bottom: 8px;
  padding-right: 20px;
}
.headline-hero .num {
  font-family: "RocknRoll One", "Zen Kaku Gothic New", sans-serif;
  font-size: clamp(88px, 11vw, 150px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-deep) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
  text-shadow: 0 6px 0 rgba(245,106,15,.10);
}
.headline-hero .hon {
  font-size: clamp(32px, 3.8vw, 52px);
  font-weight: 900;
  margin-left: -6px;
  color: var(--ink);
  display: inline-block;
  vertical-align: top;
  margin-top: 18px;
}
.headline-hero .deco-dot {
  position: absolute;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--orange);
}
.headline-hero .deco-dot-1 { top: -6px; right: 8px; }
.headline-hero .deco-dot-2 { top: 8px; right: -2px; width: 6px; height: 6px; background: var(--cyan); }
.headline-hero .deco-line {
  position: absolute;
  top: -12px; right: 30px;
  width: 18px; height: 3px;
  background: var(--orange-deep);
  transform: rotate(-30deg);
  border-radius: 2px;
}

.headline-row {
  display: block;
  font-size: clamp(26px, 3.4vw, 42px);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.3;
}
.headline-row.accent-orange {
  color: var(--orange-deep);
  position: relative; display: inline-block;
}
.headline-row.accent-orange::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 2px;
  height: 12px;
  background: linear-gradient(90deg, rgba(255,138,51,.30), rgba(245,106,15,.22));
  z-index: -1;
}

/* ===== Shout "アドクラっ！" ===== */
.fv-shout {
  display: inline-block;
  transform: rotate(-4deg);
  margin: 8px 0 20px;
  position: relative;
}
.shout-inner {
  display: inline-block;
  background: var(--ink);
  color: var(--white);
  font-family: "RocknRoll One", "Zen Kaku Gothic New", sans-serif;
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 900;
  letter-spacing: .02em;
  padding: 10px 24px;
  border-radius: 8px;
  position: relative;
  box-shadow: 4px 4px 0 var(--orange-deep), 4px 4px 0 2px var(--ink);
}
.shout-inner::before {
  /* 吹き出しのしっぽ */
  content: "";
  position: absolute;
  bottom: -10px; left: 24px;
  width: 18px; height: 18px;
  background: var(--ink);
  transform: rotate(45deg);
  border-right: 3px solid transparent;
  border-bottom: 3px solid transparent;
  z-index: -1;
}
.shout-inner::after {
  /* ビックリ効果 */
  content: "!";
  position: absolute;
  top: -22px; right: -14px;
  color: var(--orange-deep);
  font-size: 32px;
  font-weight: 900;
  transform: rotate(10deg);
}

.fv-sub {
  font-size: 16px; font-weight: 500; color: var(--ink-2);
  margin-bottom: 24px; line-height: 1.8;
}

/* ピラー */
.fv-pillars {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-bottom: 24px;
}
.pillar {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--white);
  border: 1.5px solid var(--line);
  padding: 8px 18px 8px 8px;
  border-radius: 999px;
  box-shadow: 0 3px 10px rgba(26,26,30,.05);
}
.pillar-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  color: var(--white); font-weight: 900; font-size: 12px;
}
.pillar-1 .pillar-num { background: linear-gradient(135deg, var(--orange) 0%, var(--orange-deep) 100%); }
.pillar-2 .pillar-num { background: linear-gradient(135deg, var(--orange-soft) 0%, var(--orange) 100%); }
.pillar-3 .pillar-num { background: linear-gradient(135deg, var(--cyan) 0%, #3AA9C4 100%); }
.pillar-label { font-weight: 700; font-size: 13px; color: var(--ink); }

/* CTA */
.fv-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 4px;
  padding: 18px 32px; border-radius: 999px;
  font-size: 16px; font-weight: 700;
  transition: transform .15s, box-shadow .15s;
  white-space: nowrap;
}
.btn-sub { font-size: 13px; font-weight: 500; opacity: .9; }
.btn-primary {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-deep) 100%);
  color: var(--white);
  box-shadow: 0 6px 0 rgba(180,70,10,.3), 0 10px 24px rgba(245,106,15,.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 0 rgba(180,70,10,.3), 0 14px 32px rgba(245,106,15,.4); }
.btn-ghost {
  background: transparent; color: var(--ink);
  border: 2px solid var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--white); }

/* ============================================
   動画リール「滝」ビジュアル
   ============================================ */
.fv-visual {
  position: relative;
  height: 640px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 8%, #000 92%, transparent 100%);
          mask-image: linear-gradient(to bottom, transparent 0%, #000 8%, #000 92%, transparent 100%);
}
.reel-column {
  overflow: visible;
}
.reel-track {
  display: flex; flex-direction: column; gap: 14px;
  will-change: transform;
}
.col-1 .reel-track {
  animation: fall 22s linear infinite;
}
.col-2 .reel-track {
  animation: fall 28s linear infinite;
  animation-delay: -8s;
  transform: translateY(-40px);
}
.col-3 .reel-track {
  animation: fall 25s linear infinite;
  animation-delay: -14s;
}
@keyframes fall {
  0% { transform: translateY(-50%); }
  100% { transform: translateY(0%); }
}
.col-2 .reel-track {
  animation-name: fall-offset;
}
@keyframes fall-offset {
  0% { transform: translateY(-50%) translateY(-40px); }
  100% { transform: translateY(0%) translateY(-40px); }
}

.reel {
  aspect-ratio: 9 / 16;
  border-radius: 14px;
  position: relative;
  padding: 10px;
  display: flex; flex-direction: column; justify-content: space-between;
  box-shadow: 0 10px 24px rgba(26,26,30,.10), 0 2px 6px rgba(26,26,30,.06);
  overflow: hidden;
  flex-shrink: 0;
  background-color: #2a2a2e;
  background-size: cover;
  background-position: center;
}
/* 画像の上に載せる暗グラデーション（可読性確保） */
.reel::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(0,0,0,.12) 0%, rgba(0,0,0,.0) 30%, rgba(0,0,0,.55) 100%);
  pointer-events: none;
  z-index: 1;
}
/* 再生ボタンは動画自体が再生中なので非表示 */
.reel::before {
  content: none;
}

/* 動画要素：reel全体に背景として表示 */
.reel-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

/* hero リール（FV中央の目立たせ） */
.reel-hero {
  outline: 3px solid var(--orange);
  outline-offset: -3px;
  box-shadow:
    0 0 0 4px rgba(245,106,15,.25),
    0 18px 40px rgba(245,106,15,.35),
    0 4px 10px rgba(26,26,30,.20);
  z-index: 3;
}
.reel-badge-hero {
  background: var(--orange-deep) !important;
  color: var(--white) !important;
}
.reel-badge {
  align-self: flex-start;
  background: rgba(255,255,255,.92);
  color: var(--ink);
  font-size: 10px; font-weight: 700;
  padding: 4px 9px; border-radius: 999px;
  letter-spacing: .02em;
  backdrop-filter: blur(4px);
  position: relative;
  z-index: 2;
}
.reel-dur {
  align-self: flex-end;
  color: var(--white);
  font-weight: 900; font-size: 18px;
  letter-spacing: -.01em;
  text-shadow: 0 2px 6px rgba(0,0,0,.45);
  position: relative;
  z-index: 2;
}

/* (動画は HTML の <video class="reel-video"> に置き換え済み) */

/* --- Marquee --- */
.fv-marquee {
  margin-top: 56px;
  background: linear-gradient(90deg, var(--orange) 0%, var(--orange-deep) 100%);
  color: var(--white);
  padding: 16px 0;
  overflow: hidden;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  width: 100vw;
  position: relative;
  z-index: 3;
}
.marquee-track {
  display: flex; gap: 32px; white-space: nowrap;
  animation: marquee 30s linear infinite;
  font-size: 16px; font-weight: 700;
}
.marquee-track span { color: var(--white); }
.marquee-track span:nth-child(4n+2) { color: var(--orange-pale); }
.marquee-track span:nth-child(4n+4) { color: var(--cyan-soft); }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 900px) {
  .nav a:not(.nav-cta) { display: none; }
  .fv-inner { grid-template-columns: 1fr; gap: 40px; }
  .fv { padding: 40px 20px 20px; }
  .fv-sub { font-size: 15px; }
  .btn { padding: 16px 24px; font-size: 15px; }
  .fv-visual { height: 500px; }
  .corner { width: 180px; height: 180px; }
  .corner .stripe-1 { top: 24px; width: 140px; }
  .corner .stripe-2 { top: 44px; width: 110px; }
  .corner .stripe-3 { top: 64px; width: 80px; }
  .corner .block-a { top: 94px; left: 12px; }
  .corner .block-b { top: 94px; left: 42px; }
  .corner .block-c { top: 120px; left: 26px; }
}
@media (max-width: 480px) {
  .header-inner { padding: 12px 16px; }
  .logo { font-size: 18px; }
  .nav-cta { padding: 8px 14px; font-size: 13px; }
  .fv-tag { font-size: 11px; padding: 6px 12px; }
  .pillar { padding: 7px 14px 7px 7px; }
  .pillar-num { width: 24px; height: 24px; font-size: 11px; }
  .pillar-label { font-size: 12px; }
  .fv-visual { height: 420px; gap: 10px; }
  .reel { border-radius: 10px; padding: 8px; }
  .reel-dur { font-size: 14px; }
  .reel-badge { font-size: 9px; padding: 3px 7px; }
  .corner { width: 120px; height: 120px; }
  .shout-inner { font-size: 20px; padding: 8px 18px; }
  .shout-inner::after { font-size: 24px; top: -16px; right: -10px; }
}

/* ============================================
   共通セクションスタイル
   ============================================ */
.section-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 80px 24px;
  position: relative;
  z-index: 2;
}
.section-head {
  text-align: center;
  margin-bottom: 56px;
}
.section-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-deep) 100%);
  color: var(--white);
  font-weight: 900; font-size: 18px;
  margin-bottom: 16px;
  box-shadow: 0 6px 16px rgba(245,106,15,.28);
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 14px;
}
.section-title-accent {
  position: relative;
  display: inline-block;
  color: var(--ink);
}
.section-title-accent::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 2px;
  height: 12px;
  background: linear-gradient(90deg, rgba(255,138,51,.30), rgba(245,106,15,.22));
  z-index: -1;
}
.section-lead {
  font-size: 16px; font-weight: 500;
  color: var(--ink-2);
  line-height: 1.8;
}
.sp-only { display: none; }
@media (max-width: 768px) {
  .sp-only { display: inline; }
}

/* ============================================
   01. 課題提起
   ============================================ */
.problem {
  background:
    radial-gradient(circle at 15% 20%, rgba(245,106,15,.06) 0, transparent 40%),
    radial-gradient(circle at 85% 70%, rgba(94,199,224,.06) 0, transparent 40%),
    repeating-linear-gradient(
      45deg,
      #FAF5EC 0 2px,
      #F6EEDE 2px 4px
    );
  position: relative;
}
.problem::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: var(--line);
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px 22px;
  margin-bottom: 60px;
  padding: 20px 4px 28px;
}
.problem-card {
  position: relative;
  background: #FFFBEA;
  border: none;
  border-radius: 2px 2px 14px 2px;
  padding: 42px 22px 26px;
  text-align: center;
  box-shadow:
    0 2px 2px rgba(26,26,30,.05),
    0 10px 20px rgba(26,26,30,.08),
    inset 0 -2px 0 rgba(26,26,30,.04);
  transition: transform .25s ease, box-shadow .25s ease;
}
/* 付箋の色バリエーション & 角度バリエーション */
.problem-card:nth-child(1) {
  background: linear-gradient(180deg, #FFF5CC 0%, #FFEDA8 100%);
  transform: rotate(-2.4deg);
}
.problem-card:nth-child(2) {
  background: linear-gradient(180deg, #FFE0CC 0%, #FFCCA8 100%);
  transform: rotate(1.8deg);
}
.problem-card:nth-child(3) {
  background: linear-gradient(180deg, #FFD6DC 0%, #FFC2CB 100%);
  transform: rotate(-1.2deg);
}
.problem-card:nth-child(4) {
  background: linear-gradient(180deg, #D6EEF5 0%, #B8E1EE 100%);
  transform: rotate(2.6deg);
}
/* マスキングテープ風 */
.problem-card::before {
  content: "";
  position: absolute;
  top: -10px; left: 50%;
  transform: translateX(-50%) rotate(-2deg);
  width: 78px; height: 22px;
  background: rgba(255,255,255,.75);
  border-left: 1px dashed rgba(26,26,30,.12);
  border-right: 1px dashed rgba(26,26,30,.12);
  box-shadow: 0 2px 4px rgba(26,26,30,.08);
}
.problem-card:nth-child(1)::before { background: rgba(255,206,106,.7); transform: translateX(-50%) rotate(-3deg); }
.problem-card:nth-child(2)::before { background: rgba(245,106,15,.55); transform: translateX(-60%) rotate(2deg); }
.problem-card:nth-child(3)::before { background: rgba(235,120,140,.6); transform: translateX(-40%) rotate(-4deg); }
.problem-card:nth-child(4)::before { background: rgba(94,199,224,.55); transform: translateX(-55%) rotate(3deg); }

.problem-card:hover {
  transform: rotate(0deg) translateY(-6px) scale(1.02);
  box-shadow:
    0 6px 6px rgba(26,26,30,.08),
    0 24px 36px rgba(26,26,30,.15);
  z-index: 3;
}
.problem-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; font-weight: 900;
  color: var(--white);
  box-shadow: 0 6px 14px rgba(26,26,30,.16);
  border: 2px solid rgba(255,255,255,.7);
}
.problem-icon-1 { background: linear-gradient(135deg, #F5A300 0%, #E58A00 100%); }
.problem-icon-2 { background: linear-gradient(135deg, var(--orange) 0%, var(--orange-deep) 100%); }
.problem-icon-3 { background: linear-gradient(135deg, #E6597D 0%, #C94368 100%); }
.problem-icon-4 { background: linear-gradient(135deg, var(--cyan) 0%, #3AA9C4 100%); }
.problem-card-title {
  font-size: 18px;
  font-weight: 900;
  color: var(--ink);
  margin-bottom: 12px;
  line-height: 1.45;
  font-family: "RocknRoll One", "Zen Kaku Gothic New", sans-serif;
  letter-spacing: -0.01em;
}
.problem-card-title::after {
  content: "";
  display: block;
  width: 44px;
  height: 3px;
  background: rgba(26,26,30,.3);
  margin: 10px auto 0;
  border-radius: 2px;
}
.problem-card-text {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-2);
  line-height: 1.75;
  text-align: left;
}

/* ブリッジ */
.problem-bridge {
  text-align: center;
  padding: 32px 24px;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: 16px;
  position: relative;
  box-shadow: 6px 6px 0 var(--orange-deep);
  max-width: 720px;
  margin: 0 auto;
}
.bridge-arrow {
  color: var(--orange-deep);
  font-size: 20px;
  margin-bottom: 8px;
  animation: bounce 1.5s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}
.bridge-text {
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 900;
  color: var(--ink);
  line-height: 1.5;
}
.bridge-text strong {
  color: var(--orange-deep);
  font-size: 1.15em;
}

/* ============================================
   02. ソリューション
   ============================================ */
.solution {
  background:
    radial-gradient(circle at 8% 20%, rgba(245,106,15,.05) 0, transparent 40%),
    radial-gradient(circle at 92% 85%, rgba(230,89,125,.05) 0, transparent 40%),
    linear-gradient(180deg, var(--bg) 0%, #FEF9F3 100%);
  position: relative;
}
.solution-grid {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  grid-template-rows: auto 1fr;
  gap: 20px;
  align-items: stretch;
  position: relative;
}
.solution-card {
  position: relative;
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: 24px;
  padding: 32px 28px 28px;
  box-shadow: 0 4px 12px rgba(26,26,30,.04);
  transition: transform .25s, box-shadow .25s;
  display: flex; flex-direction: column;
  overflow: hidden;
}
.solution-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(26,26,30,.10);
}

/* --- 01: ヒーロー（量産・左大サイズ） --- */
.solution-card:nth-child(1) {
  grid-row: 1 / 3;
  background:
    radial-gradient(circle at 100% 0%, rgba(255,255,255,.18) 0, transparent 50%),
    radial-gradient(circle at 0% 100%, rgba(255,255,255,.12) 0, transparent 50%),
    linear-gradient(135deg, #FF8A33 0%, #F56A0F 55%, #D95600 100%);
  color: #FFF;
  border-color: transparent;
  padding: 44px 38px 36px;
  box-shadow: 0 18px 40px rgba(245,106,15,.26);
}
.solution-card:nth-child(1)::before {
  content: "";
  position: absolute;
  top: -60px; right: -60px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.22) 0%, transparent 70%);
  pointer-events: none;
}
.solution-card:nth-child(1)::after {
  content: "10,000+";
  position: absolute;
  bottom: -30px; right: -12px;
  font-family: "RocknRoll One", sans-serif;
  font-size: 180px;
  font-weight: 900;
  color: rgba(255,255,255,.08);
  line-height: 1;
  pointer-events: none;
  letter-spacing: -0.04em;
}
.solution-card:nth-child(1):hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 48px rgba(245,106,15,.36);
}

/* --- 02: 丸投げ（水色アクセント） --- */
.solution-card:nth-child(2) {
  background: linear-gradient(180deg, #FFFFFF 0%, #F4FAFD 100%);
  border-color: var(--cyan-soft);
}
.solution-card:nth-child(2):hover {
  box-shadow: 0 16px 32px rgba(94,199,224,.20);
}

/* --- 03: クリエイティブ（ピンクアクセント） --- */
.solution-card:nth-child(3) {
  background: linear-gradient(180deg, #FFFFFF 0%, #FFF4F6 100%);
  border-color: #FFCFD6;
}
.solution-card:nth-child(3):hover {
  box-shadow: 0 16px 32px rgba(230,89,125,.20);
}

.solution-card-num {
  display: block;
  font-family: "RocknRoll One", "Zen Kaku Gothic New", sans-serif;
  font-size: 48px;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--orange-pale) 0%, var(--orange-soft) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: .9;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
  position: relative;
  z-index: 2;
}
/* 01 番号：大きく・白寄せ */
.solution-card:nth-child(1) .solution-card-num {
  font-size: 80px;
  background: linear-gradient(135deg, rgba(255,247,228,1) 0%, rgba(255,206,120,1) 100%);
  -webkit-background-clip: text; background-clip: text;
  opacity: 1;
  margin-bottom: 22px;
}
/* 02 番号：水色 */
.solution-card:nth-child(2) .solution-card-num {
  background: linear-gradient(135deg, var(--cyan-soft) 0%, var(--cyan) 100%);
  -webkit-background-clip: text; background-clip: text;
}
/* 03 番号：ピンク */
.solution-card:nth-child(3) .solution-card-num {
  background: linear-gradient(135deg, #FFC2CB 0%, #E6597D 100%);
  -webkit-background-clip: text; background-clip: text;
}
.solution-card-visual {
  width: 100%;
  height: 140px;
  border-radius: 14px;
  margin-bottom: 24px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
}
.solution-visual-1 {
  background: linear-gradient(135deg, var(--orange-pale) 0%, #FFF3E6 100%);
}
.solution-visual-2 {
  background: linear-gradient(135deg, #FFE5CE 0%, #FFB97A 100%);
}
.solution-visual-3 {
  background: linear-gradient(135deg, var(--cyan-soft) 0%, #E5F5F9 100%);
}

.visual-icon {
  display: flex; align-items: center; gap: 12px;
}
.icon-box {
  width: 48px; height: 48px;
  background: var(--white);
  border: 2px solid var(--orange-deep);
  border-radius: 10px;
  position: relative;
}
.icon-box::after {
  content: "...";
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -60%);
  color: var(--orange-deep); font-weight: 900; font-size: 20px;
}
.icon-arrow {
  color: var(--orange-deep);
  font-size: 28px;
  font-weight: 900;
}
.icon-circle {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-deep) 100%);
  box-shadow: 0 4px 10px rgba(245,106,15,.3);
  position: relative;
}
.icon-circle::after {
  content: "✓";
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  color: var(--white); font-weight: 900; font-size: 22px;
}

.solution-visual-2 .visual-icon {
  gap: 6px;
}
.icon-reel {
  width: 22px; height: 50px;
  background: var(--white);
  border-radius: 4px;
  position: relative;
  box-shadow: 0 3px 8px rgba(26,26,30,.12);
}
.icon-reel::after {
  content: "";
  position: absolute; top: 50%; left: 50%;
  transform: translate(-40%, -50%);
  width: 0; height: 0;
  border-left: 6px solid var(--orange-deep);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
}
.icon-reel:nth-child(2) { transform: translateY(6px); }
.icon-reel:nth-child(3) { transform: translateY(-4px); }
.icon-reel:nth-child(4) { transform: translateY(3px); }

.icon-hand {
  font-size: 64px;
  filter: drop-shadow(0 4px 8px rgba(94,199,224,.35));
}

.solution-card-title {
  font-size: 22px;
  font-weight: 900;
  color: var(--ink);
  margin-bottom: 14px;
  line-height: 1.35;
}
.solution-card-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
  line-height: 1.75;
  margin-bottom: 18px;
}
.solution-card-text strong {
  color: var(--ink);
  background: linear-gradient(transparent 65%, var(--orange-pale) 65%);
  padding: 0 2px;
}
.solution-card-list {
  list-style: none;
  margin-top: auto;
  display: flex; flex-direction: column; gap: 8px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}
.solution-card-list li {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink-2);
  padding-left: 22px;
  position: relative;
}
.solution-card-list li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  color: var(--orange-deep);
  font-weight: 900;
}

/* --- 01 ヒーロー: テキスト・ビジュアルを白寄せに --- */
.solution-card:nth-child(1) .solution-card-title {
  color: #FFF;
  font-size: 30px;
  line-height: 1.3;
  position: relative;
  z-index: 2;
}
.solution-card:nth-child(1) .solution-card-text {
  color: rgba(255,255,255,.94);
  font-size: 15px;
  line-height: 1.85;
  position: relative;
  z-index: 2;
}
.solution-card:nth-child(1) .solution-card-text strong {
  color: #FFF;
  background: rgba(255,255,255,.16);
  padding: 2px 8px;
  border-radius: 4px;
}
.solution-card:nth-child(1) .solution-card-list {
  border-top-color: rgba(255,255,255,.24);
  position: relative;
  z-index: 2;
}
.solution-card:nth-child(1) .solution-card-list li {
  color: rgba(255,255,255,.92);
  font-size: 14px;
}
.solution-card:nth-child(1) .solution-card-list li::before {
  color: #FFF;
}
.solution-card:nth-child(1) .solution-card-visual {
  height: auto;
  min-height: 180px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.24);
  position: relative;
  z-index: 2;
  padding: 0;
}
.solution-card:nth-child(1) .icon-reel {
  width: 30px; height: 78px;
  background: #FFF;
  border-radius: 6px;
  box-shadow: 0 6px 14px rgba(0,0,0,.18);
}
.solution-card:nth-child(1) .icon-reel::after {
  border-left-color: var(--orange-deep);
  border-left-width: 9px;
  border-top-width: 6px;
  border-bottom-width: 6px;
}
.solution-card:nth-child(1) .visual-icon { gap: 10px; }

/* --- 顔グリッド（量産カード内） --- */
.face-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  width: 100%;
  padding: 14px 16px;
}
.face {
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background-size: cover;
  background-position: center;
  background-color: #E8E4DA;
  border: 2.5px solid rgba(255,255,255,.9);
  box-shadow: 0 4px 12px rgba(0,0,0,.22);
  transition: transform .25s;
}
.face:hover {
  transform: scale(1.08);
  z-index: 2;
}
/* 奇数列/偶数列で微妙にずらして「人が集まってる」感を出す */
.face:nth-child(even) {
  transform: translateY(4px);
}
.face:nth-child(even):hover {
  transform: translateY(4px) scale(1.08);
}

.face-01 { background-image: url('https://i.pravatar.cc/200?img=3'); }
.face-02 { background-image: url('https://i.pravatar.cc/200?img=7'); }
.face-03 { background-image: url('https://i.pravatar.cc/200?img=10'); }
.face-04 { background-image: url('https://i.pravatar.cc/200?img=14'); }
.face-05 { background-image: url('https://i.pravatar.cc/200?img=19'); }
.face-06 { background-image: url('https://i.pravatar.cc/200?img=22'); }
.face-07 { background-image: url('https://i.pravatar.cc/200?img=29'); }
.face-08 { background-image: url('https://i.pravatar.cc/200?img=33'); }
.face-09 { background-image: url('https://i.pravatar.cc/200?img=40'); }
.face-10 { background-image: url('https://i.pravatar.cc/200?img=45'); }
.face-11 { background-image: url('https://i.pravatar.cc/200?img=52'); }

.face-more {
  background: #FFF;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  gap: 1px;
  border: 2.5px dashed var(--orange-deep);
  box-shadow: 0 4px 12px rgba(245,106,15,.25);
}
.face-more-plus {
  font-family: "RocknRoll One", sans-serif;
  font-size: 10px;
  color: var(--orange-deep);
  line-height: 1;
  font-weight: 900;
}
.face-more-num {
  font-family: "RocknRoll One", sans-serif;
  font-size: 14px;
  color: var(--orange-deep);
  line-height: 1;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.face-more-label {
  font-size: 9px;
  color: var(--orange-deep);
  line-height: 1;
  font-weight: 700;
}

/* --- 02 水色アクセント: ビジュアル背景＆アイコン色 --- */
.solution-card:nth-child(2) .solution-card-visual {
  background: linear-gradient(135deg, var(--cyan-soft) 0%, #E5F5F9 100%);
  height: 120px;
}
.solution-card:nth-child(2) .icon-box {
  border-color: var(--cyan);
}
.solution-card:nth-child(2) .icon-box::after {
  color: var(--cyan);
}
.solution-card:nth-child(2) .icon-arrow {
  color: #3AA9C4;
}
.solution-card:nth-child(2) .icon-circle {
  background: linear-gradient(135deg, var(--cyan) 0%, #3AA9C4 100%);
  box-shadow: 0 4px 10px rgba(94,199,224,.35);
}
.solution-card:nth-child(2) .solution-card-text strong {
  background: linear-gradient(transparent 65%, var(--cyan-soft) 65%);
}
.solution-card:nth-child(2) .solution-card-list li::before {
  color: #3AA9C4;
}

/* --- 03 ピンクアクセント: ビジュアル背景＆アイコン色 --- */
.solution-card:nth-child(3) .solution-card-visual {
  background: linear-gradient(135deg, #FFD6DC 0%, #FFE8EC 100%);
  height: 120px;
}
.solution-card:nth-child(3) .icon-hand {
  filter: drop-shadow(0 6px 12px rgba(230,89,125,.35));
}
.solution-card:nth-child(3) .solution-card-text strong {
  background: linear-gradient(transparent 65%, #FFD6DC 65%);
}
.solution-card:nth-child(3) .solution-card-list li::before {
  color: #E6597D;
}

.highlight-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--white);
  font-size: 12px; font-weight: 900;
  padding: 6px 18px; border-radius: 999px;
  letter-spacing: .04em;
  box-shadow: 0 4px 10px rgba(26,26,30,.2);
}

/* ============================================
   Responsive for sections
   ============================================ */
@media (max-width: 900px) {
  .section-inner { padding: 60px 20px; }
  .section-head { margin-bottom: 40px; }
  .problem-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .problem-card { padding: 22px 16px; }
  .problem-icon { width: 60px; height: 60px; font-size: 26px; border-radius: 16px; }
  .problem-card-title { font-size: 16px; }
  .problem-card-text { font-size: 13px; }

  .solution-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 18px;
  }
  .solution-card:nth-child(1) { grid-row: auto; padding: 36px 26px 28px; }
  .solution-card:nth-child(1) .solution-card-num { font-size: 64px; }
  .solution-card:nth-child(1) .solution-card-title { font-size: 24px; }
  .solution-card:nth-child(1) .solution-card-visual { height: 140px; }
  .solution-card:nth-child(1)::after { font-size: 130px; bottom: -20px; right: -8px; }
  .solution-card-highlight { transform: translateY(0); }
  .solution-card-highlight:hover { transform: translateY(-4px); }
}
@media (max-width: 480px) {
  .section-inner { padding: 50px 16px; }
  .problem-grid { grid-template-columns: 1fr; gap: 12px; }
  .problem-bridge { padding: 22px 16px; }
  .bridge-text { font-size: 16px; }
  .solution-card { padding: 28px 20px 24px; }
  .solution-card-num { font-size: 38px; margin-bottom: 14px; }
  .solution-card-visual { height: 110px; }
}

/* ============================================
   03. 使い方（Flow）
   ============================================ */
.flow {
  background: var(--bg-soft);
  position: relative;
}
.flow-grid {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 10px;
  flex-wrap: nowrap;
}
.flow-card {
  flex: 1 1 0;
  min-width: 0;
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: 22px;
  padding: 28px 22px 26px;
  box-shadow: 0 4px 12px rgba(26,26,30,.04);
  display: flex;
  flex-direction: column;
  transition: transform .2s, box-shadow .2s;
}
.flow-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(26,26,30,.10);
}
.flow-card-last {
  border-color: var(--orange);
  background: linear-gradient(180deg, #FFF9F2 0%, #FFFFFF 100%);
  box-shadow: 0 8px 24px rgba(245,106,15,.15);
}
.flow-step {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 14px;
}
.flow-step-label {
  font-family: "RocknRoll One", sans-serif;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange-deep);
  font-weight: 900;
}
.flow-step-num {
  font-family: "RocknRoll One", sans-serif;
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-deep) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.flow-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange-pale) 0%, var(--orange-ultralight) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 32px;
  margin-bottom: 18px;
  border: 2px solid var(--orange-pale);
}
.flow-card-title {
  font-size: 19px;
  font-weight: 900;
  color: var(--ink);
  margin-bottom: 12px;
  line-height: 1.4;
}
.flow-card-text {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-2);
  line-height: 1.75;
}
.flow-arrow {
  flex: 0 0 auto;
  align-self: center;
  font-size: 22px;
  color: var(--orange-deep);
  font-weight: 900;
  padding: 0 2px;
}

/* ============================================
   04. FAQ
   ============================================ */
.faq {
  background: var(--bg);
  position: relative;
}
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--white);
  border: 1.5px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.faq-item[open] {
  border-color: var(--orange-soft);
  box-shadow: 0 8px 20px rgba(245,106,15,.08);
}
.faq-q {
  list-style: none;
  cursor: pointer;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
  transition: background .2s;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q:hover {
  background: var(--orange-ultralight);
}
.faq-q-mark {
  flex: 0 0 auto;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-deep) 100%);
  color: var(--white);
  font-family: "RocknRoll One", sans-serif;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
}
.faq-q-text {
  flex: 1 1 auto;
  line-height: 1.5;
}
.faq-toggle {
  flex: 0 0 auto;
  font-size: 22px;
  font-weight: 900;
  color: var(--orange-deep);
  transition: transform .2s;
}
.faq-item[open] .faq-toggle {
  transform: rotate(45deg);
}
.faq-a {
  padding: 0 24px 24px 74px;
  display: flex;
  gap: 16px;
  position: relative;
}
.faq-a-mark {
  flex: 0 0 auto;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--orange-ultralight);
  color: var(--orange-deep);
  font-family: "RocknRoll One", sans-serif;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  margin-left: -58px;
}
.faq-a-text {
  flex: 1 1 auto;
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.8;
  font-weight: 500;
}

/* ============================================
   05. Contact (CTA)
   ============================================ */
.contact {
  background: linear-gradient(135deg, #FFF3E6 0%, #FFE5CE 50%, #FFB97A 100%);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: "";
  position: absolute;
  top: -120px; right: -120px;
  width: 360px; height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.5) 0%, transparent 70%);
  pointer-events: none;
}
.contact::after {
  content: "";
  position: absolute;
  bottom: -140px; left: -140px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.35) 0%, transparent 70%);
  pointer-events: none;
}
.contact .section-inner {
  position: relative;
  z-index: 2;
}
.contact-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  padding: 20px 0;
}
.contact-tag {
  display: inline-block;
  background: var(--white);
  color: var(--orange-deep);
  padding: 6px 16px;
  border-radius: 999px;
  font-family: "RocknRoll One", sans-serif;
  font-size: 12px;
  letter-spacing: 0.14em;
  font-weight: 900;
  margin-bottom: 22px;
  box-shadow: 0 4px 10px rgba(245,106,15,.15);
}
.contact-title {
  font-size: 40px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--ink);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.contact-title-accent {
  background: linear-gradient(135deg, var(--orange-deep) 0%, var(--orange) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.contact-lead {
  font-size: 15.5px;
  color: var(--ink-2);
  line-height: 1.9;
  font-weight: 500;
  margin-bottom: 32px;
}
.contact-cta {
  display: flex;
  justify-content: center;
  margin-bottom: 28px;
}
.btn-large {
  padding: 22px 48px;
  font-size: 18px;
  border-radius: 999px;
  box-shadow: 0 12px 28px rgba(245,106,15,.35);
}
.btn-large .btn-sub {
  font-size: 12px;
  margin-left: 8px;
  opacity: .9;
}
.contact-notes {
  list-style: none;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-bottom: 24px;
}
.contact-notes li {
  font-size: 13.5px;
  color: var(--ink);
  font-weight: 700;
}
.contact-terms {
  font-size: 12.5px;
  color: var(--ink-3);
}
.contact-terms a {
  color: var(--ink-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.contact-terms a:hover {
  color: var(--orange-deep);
}

/* ============================================
   レスポンシブ調整（flow / faq / contact）
   ============================================ */
@media (max-width: 900px) {
  .flow-grid {
    flex-direction: column;
    gap: 12px;
  }
  .flow-arrow {
    transform: rotate(90deg);
    padding: 2px 0;
  }
  .flow-card { padding: 26px 20px 22px; }
  .faq-q { padding: 18px 20px; font-size: 15px; gap: 12px; }
  .faq-q-mark, .faq-a-mark { width: 30px; height: 30px; font-size: 14px; }
  .faq-a { padding: 0 20px 20px 62px; gap: 12px; }
  .faq-a-mark { margin-left: -50px; }
  .contact-title { font-size: 30px; }
  .contact-lead { font-size: 14px; }
  .btn-large { padding: 18px 32px; font-size: 16px; }
}
@media (max-width: 480px) {
  .flow-card-title { font-size: 17px; }
  .flow-card-text { font-size: 13px; }
  .contact-title { font-size: 26px; }
  .contact-notes { flex-direction: column; align-items: center; gap: 6px; }
  .btn-large { padding: 16px 24px; font-size: 15px; width: 100%; text-align: center; }
  .btn-large .btn-sub { display: block; margin-left: 0; margin-top: 4px; }
}