/* =========================================================
   ココソラ Landing Page — Rich Sky & Daylight Editorial Design
   ロゴ由来のスカイブルー（#2563eb）× サンゴールド（#f59e0b）× ディープネイビー（#17253b）
   ========================================================= */

:root {
  --ink: #17253b;
  --ink-2: #3b5268;
  --muted: #5a7184;
  --subtle: #7c93a6;

  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-sky: #0284c7;
  --blue-pale: #eff6ff;
  --blue-soft: #e0f2fe;

  --sun: #f59e0b;
  --sun-bright: #fbbf24;
  --sun-pale: #fef3c7;
  --sun-soft: #fffbeb;

  --teal: #0d9488;
  --teal-pale: #f0fdfa;

  --line: #d5e4ef;
  --line-soft: #e6eff6;
  --surface: #ffffff;
  --bg-sky: #f4f9fd;
  --cream: #fcfbf7;

  --shadow-sm: 0 4px 14px rgba(23, 37, 59, 0.05);
  --shadow-md: 0 14px 36px rgba(23, 37, 59, 0.08);
  --shadow-lg: 0 24px 56px rgba(28, 64, 110, 0.12);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;

  /* ChromaTeach風の上品なイージング・タイポグラフィ変数 */
  --ease-out-expo: cubic-bezier(.16, 1, .3, 1);
  --ease-out-quart: cubic-bezier(.165, .84, .44, 1);
  --ease-spring: cubic-bezier(.25, 1.25, .5, 1);
  --f-ja: "Zen Kaku Gothic New", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;
  --f-en: "Barlow", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--f-ja);
  font-size: 15.5px;
  line-height: 1.82;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  background: var(--surface);
  overflow-x: hidden;
}

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

button {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--sun);
  outline-offset: 4px;
}

p {
  line-height: 1.85;
  font-weight: 500;
  letter-spacing: 0.025em;
  color: var(--ink-2);
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h2 {
  font-weight: 800;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--ink);
}

h3 {
  line-height: 1.5;
  font-weight: 700;
}

svg {
  display: block;
}

.wrap {
  width: min(1120px, calc(100% - 64px));
  margin: 0 auto;
}

.section {
  padding-top: 104px;
  padding-bottom: 104px;
}

/* ---------- スキップリンク ---------- */
.skip {
  position: fixed;
  top: -100px;
  left: 16px;
  background: var(--surface);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  z-index: 100;
  font-weight: 700;
}
.skip:focus {
  top: 12px;
}

/* ---------- ヘッダー（すりガラス調・固定バー） ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(213, 228, 239, 0.8);
}

.header-inner {
  width: min(1180px, calc(100% - 48px));
  height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

.brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  transition: opacity 0.2s;
}
.brand:hover {
  opacity: 0.85;
}
.brand img {
  display: block;
  object-fit: contain;
  width: 148px;
  height: 62px;
}

/* 親プロジェクト「by Monterey」ヘッダーバッジ */
.brand-parent-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--blue-pale);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--blue-sky);
  letter-spacing: 0.02em;
  transition: all 0.25s var(--ease-spring);
}
.brand-parent-badge:hover {
  background: #ffffff;
  border-color: var(--blue-sky);
  color: var(--blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.15);
}
.brand-parent-badge img {
  width: 14px;
  height: 14px;
  display: block;
}

.header nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
  margin-right: 12px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink-2);
}
.header nav a {
  position: relative;
  padding: 6px 2px;
  transition: color 0.2s;
}
.header nav a:hover {
  color: var(--blue);
}
.header nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform 0.2s ease;
}
.header nav a:hover::after {
  transform: scaleX(1);
}

/* ---------- ボタン共通 ---------- */
.button {
  display: inline-flex;
  gap: 14px;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #2563eb 0%, #0284c7 100%);
  color: #ffffff;
  border-radius: 999px;
  padding: 18px 32px;
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.26), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transition: transform 0.35s var(--ease-spring), box-shadow 0.35s var(--ease-out-expo), filter 0.2s ease;
}
.button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-25deg);
  transition: left 0.75s ease;
}
.button:hover::before {
  left: 140%;
}
.button:hover {
  transform: translateY(-3px) scale(1.015);
  box-shadow: 0 16px 36px rgba(37, 99, 235, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  filter: brightness(1.03);
}
.button:active {
  transform: translateY(-1px) scale(0.99);
}
.button span {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  font-size: 14px;
  font-weight: 700;
  transition: transform 0.35s var(--ease-spring);
}
.button:hover span {
  transform: translate(3px, -3px);
}
  font-weight: 700;
}

.button.small {
  padding: 10px 20px;
  font-size: 13px;
  gap: 10px;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.2);
}
.button.small span {
  width: 20px;
  height: 20px;
  font-size: 12px;
}

/* ---------- ファーストビュー（Hero） ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 82% 16%, rgba(254, 240, 138, 0.55) 0%, rgba(254, 240, 138, 0) 42%),
    radial-gradient(circle at 18% 30%, rgba(186, 230, 253, 0.65) 0%, rgba(186, 230, 253, 0) 50%),
    linear-gradient(170deg, #dff0fc 0%, #eef7ff 48%, #fdfcf7 100%);
  padding: 56px 0 0;
  border-bottom: 1px solid var(--line-soft);
}

.hero-bg-decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-sun {
  position: absolute;
  right: 9%;
  top: 44px;
  width: 190px;
  height: 190px;
  background: radial-gradient(circle, #fde047 0%, #fbbf24 55%, rgba(251, 191, 36, 0) 72%);
  border-radius: 50%;
  box-shadow: 0 0 90px 45px rgba(253, 224, 71, 0.38);
  opacity: 0.9;
  animation: sun-pulse 6s ease-in-out infinite alternate;
}

@keyframes sun-pulse {
  0% { transform: scale(1); opacity: 0.85; }
  100% { transform: scale(1.06); opacity: 1; }
}

.cloud {
  position: absolute;
  background: #ffffff;
  border-radius: 90px;
  height: 60px;
  width: 230px;
  opacity: 0.78;
  box-shadow: 0 12px 30px rgba(56, 139, 201, 0.08);
}
.cloud::before,
.cloud::after {
  content: "";
  position: absolute;
  background: inherit;
  border-radius: 50%;
}
.cloud::before {
  width: 104px;
  height: 104px;
  left: 34px;
  bottom: 10px;
}
.cloud::after {
  width: 82px;
  height: 82px;
  right: 28px;
  bottom: 6px;
}
@keyframes cloud-drift-1 {
  0% { transform: scale(1.45) translate(0, 0); }
  50% { transform: scale(1.45) translate(-16px, -10px); }
  100% { transform: scale(1.45) translate(0, 0); }
}
@keyframes cloud-drift-2 {
  0% { transform: scale(0.68) translate(0, 0); }
  50% { transform: scale(0.68) translate(14px, 8px); }
  100% { transform: scale(0.68) translate(0, 0); }
}
@keyframes cloud-drift-3 {
  0% { transform: scale(0.95) translate(0, 0); }
  50% { transform: scale(0.95) translate(-12px, 8px); }
  100% { transform: scale(0.95) translate(0, 0); }
}

.cloud-one {
  right: -35px;
  top: 195px;
  transform: scale(1.45);
  opacity: 0.65;
  animation: cloud-drift-1 18s ease-in-out infinite;
}
.cloud-two {
  right: 34%;
  top: 90px;
  transform: scale(0.68);
  opacity: 0.75;
  animation: cloud-drift-2 22s ease-in-out infinite;
}
.cloud-three {
  left: -50px;
  top: 320px;
  transform: scale(0.95);
  opacity: 0.5;
  animation: cloud-drift-3 20s ease-in-out infinite;
}

.hero-container {
  position: relative;
  z-index: 2;
  width: min(1140px, calc(100% - 64px));
  margin: 0 auto;
}

.hero-copy {
  max-width: 680px;
}

.hero-sub {
  font-size: 15px;
  font-weight: 800;
  color: var(--blue-sky);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}

.hero h1 {
  font-size: clamp(36px, 4.6vw, 60px);
  line-height: 1.38;
  letter-spacing: 0.02em;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--ink);
}

.hero h1 strong,
.hero h1 .h1-em {
  font-weight: 900;
  letter-spacing: 0.01em;
}

.underline {
  position: relative;
  white-space: nowrap;
  display: inline-block;
  z-index: 1;
}
.underline::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: -4px;
  right: -4px;
  height: 16px;
  background: linear-gradient(90deg, rgba(253, 224, 71, 0.75), rgba(251, 191, 36, 0.85));
  border-radius: 6px;
  z-index: -1;
  transform: rotate(-1deg);
}

.lead {
  font-size: 16.5px;
  color: var(--ink-2);
  margin-bottom: 28px;
  line-height: 1.95;
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

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

.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ink-2);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(186, 214, 235, 0.8);
  padding: 5px 12px;
  border-radius: 999px;
}
.cta-badge i {
  font-style: normal;
  color: var(--blue);
  font-weight: 900;
}

/* ---------- ファーストビュー：3地域比較ボード ---------- */
.sky-demo {
  position: relative;
  margin-top: 28px;
  z-index: 3;
}

.demo-caption {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 12px;
}

.caption-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--ink);
  color: #ffffff;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 6px 16px;
  border-radius: 999px;
  box-shadow: 0 8px 20px rgba(23, 37, 59, 0.16);
}

.app-board {
  background: rgba(255, 255, 255, 0.62);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: 24px;
  padding: 20px 24px 26px;
  box-shadow: 0 24px 60px rgba(25, 68, 112, 0.12), 0 2px 6px rgba(25, 68, 112, 0.04);
}

.app-board-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 18px;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(203, 223, 238, 0.7);
}

.app-dots {
  display: flex;
  gap: 6px;
}
.app-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #cbd5e1;
}
.app-dots span:nth-child(1) { background: #fca5a5; }
.app-dots span:nth-child(2) { background: #fcd34d; }
.app-dots span:nth-child(3) { background: #86efac; }

.app-search-mock {
  flex: 1;
  max-width: 460px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  padding: 7px 8px 7px 16px;
  font-size: 12.5px;
  color: var(--subtle);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.03);
}
.search-placeholder {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.search-btn {
  background: var(--blue);
  color: #ffffff;
  font-weight: 700;
  font-size: 11.5px;
  padding: 4px 14px;
  border-radius: 999px;
}

.app-loc-pill {
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  background: #ffffff;
  border: 1px solid #bfdbfe;
  padding: 6px 14px;
  border-radius: 999px;
  white-space: nowrap;
}

.weather-stack {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}

.weather-card {
  position: relative;
  background: #ffffff;
  border: 1px solid #e2edf5;
  border-radius: 18px;
  padding: 22px 20px;
  box-shadow: 0 12px 28px rgba(23, 37, 59, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  display: flex;
  flex-direction: column;
}
.weather-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 36px rgba(23, 37, 59, 0.11);
}

.weather-card.home {
  border-top: 4px solid var(--sun);
  background: linear-gradient(180deg, #fffdf7 0%, #ffffff 38%);
}
.weather-card.office {
  border-top: 4px solid var(--blue);
  background: linear-gradient(180deg, #f3f8ff 0%, #ffffff 42%);
  box-shadow: 0 16px 36px rgba(37, 99, 235, 0.11);
}
.weather-card.trip {
  border-top: 4px solid var(--teal);
  background: linear-gradient(180deg, #f4fbfa 0%, #ffffff 38%);
}

.card-badge-alert {
  position: absolute;
  top: -13px;
  right: 16px;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.place-label {
  font-size: 12px;
  font-weight: 800;
  background: #edf5fb;
  border-radius: 999px;
  padding: 4px 12px;
  color: var(--ink-2);
}
.home .place-label {
  background: #fef3c7;
  color: #92400e;
}
.office .place-label {
  background: #dbeafe;
  color: #1e40af;
}
.trip .place-label {
  background: #ccfbf1;
  color: #115e59;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}
.card-actions i {
  font-style: normal;
}
.star.is-on {
  color: var(--sun);
}
.dots {
  color: #94a3b8;
}

.weather-card h2,
.weather-card .city-name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
  line-height: 1.3;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.weather-card h2 small,
.weather-card .city-name small {
  font-size: 12px;
  font-weight: 600;
  color: var(--subtle);
}

.temperature {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.weather-icon {
  width: 68px;
  height: 68px;
  flex-shrink: 0;
}
.temp-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.temperature strong {
  font-size: 44px;
  font-weight: 850;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.temperature strong span {
  font-size: 18px;
  font-weight: 700;
  margin-left: 3px;
}

.condition {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 800;
  margin: 0;
  padding: 2px 10px;
  border-radius: 6px;
}
.sunny-tag {
  background: #fef3c7;
  color: #b45309;
}
.rainy-tag {
  background: #dbeafe;
  color: #1d4ed8;
}
.cloudy-tag {
  background: #e2e8f0;
  color: #334155;
}

/* アプリ実画面に近い2x2メトリクスグリッド */
.weather-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 14px;
}
.metric-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.metric-box span {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--subtle);
}
.metric-box b {
  font-size: 13px;
  font-weight: 800;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.metric-box.is-rain-alert {
  background: #eff6ff;
  border-color: #93c5fd;
}
.metric-box.is-rain-alert b {
  color: var(--blue);
}
.metric-box.is-cool-alert {
  background: #f0fdfa;
  border-color: #99f6e4;
}
.metric-box.is-cool-alert b {
  color: var(--teal);
}

/* 時間別予報行 */
.hour-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  margin-top: auto;
}
.hour-item {
  background: #f8fafc;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 7px 4px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.hour-item.is-now {
  background: #ffffff;
  border-color: #93c5fd;
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.08);
}
.hour-item.is-rain {
  background: #eff6ff;
}
.hour-item span {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--subtle);
}
.hour-item.is-now span {
  color: var(--blue);
}
.hour-item svg {
  width: 26px;
  height: 26px;
}
.hour-item b {
  font-size: 12.5px;
  font-weight: 800;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.image-note {
  text-align: right;
  font-size: 11.5px;
  color: var(--subtle);
  margin: 12px 0 20px;
}

.hero-bottom {
  display: flex;
  justify-content: center;
  align-items: center;
  border-top: 1px solid rgba(186, 212, 230, 0.65);
  padding: 18px 0;
}
.hero-bottom a {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
}
.hero-bottom a:hover {
  color: var(--blue);
}

/* ---------- セクション1：イントロ＆3つの特徴（#about） ---------- */
.intro-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.intro-lead {
  font-size: 16px;
  line-height: 2.1;
  color: var(--ink-2);
  margin-top: 20px;
}
.intro-lead strong {
  font-weight: 800;
  color: var(--ink);
  background: linear-gradient(transparent 62%, #fef08a 62%);
  padding: 0 4px;
}

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

.benefit-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.benefit-card.accent-sky {
  border-top-color: var(--blue);
}
.benefit-card.accent-sun {
  border-top-color: var(--sun);
}
.benefit-card.accent-teal {
  border-top-color: var(--teal);
}

.benefit-card h3 {
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 14px;
  color: var(--ink);
  line-height: 1.45;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.benefit-num {
  font-size: 26px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}
.accent-sky .benefit-num {
  color: var(--blue);
}
.accent-sun .benefit-num {
  color: var(--sun);
}
.accent-teal .benefit-num {
  color: var(--teal);
}

.benefit-card p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.85;
  margin: 0;
}

/* ---------- セクション2：利用シーン（#scenes） ---------- */
.scenes {
  background: linear-gradient(180deg, #f5f9fc 0%, #eef5fa 100%);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
  gap: 30px;
}
.section-heading h2 {
  margin-bottom: 0;
}
.section-sub {
  color: var(--muted);
  font-size: 14.5px;
  margin-bottom: 6px;
}

/* ピル型セグメントタブ */
.scene-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  background: rgba(255, 255, 255, 0.7);
  padding: 8px;
  border-radius: 16px;
  border: 1px solid var(--line);
  margin-bottom: 28px;
}

.scene-tabs button {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 16px 20px;
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  transition: all 0.2s ease;
}
.scene-tabs button:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.6);
}
.tab-num {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 3px 9px;
  border-radius: 6px;
  background: #e2edf5;
  color: var(--ink-2);
}
.tab-label {
  font-size: 15px;
  font-weight: 800;
}

.scene-tabs button[aria-selected="true"] {
  background: var(--surface);
  border-color: #bfdbfe;
  color: var(--blue);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.1);
}
.scene-tabs button[aria-selected="true"] .tab-num {
  background: var(--blue);
  color: #ffffff;
}

.scene-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 44px;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
  align-items: center;
}

.scene-copy h3 {
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 800;
  margin-bottom: 18px;
  line-height: 1.5;
  color: var(--ink);
}

#scene-description,
.scene-copy p {
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.9;
  margin-bottom: 24px;
}

.text-link {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  font-size: 14.5px;
  font-weight: 800;
  color: var(--blue);
  background: var(--blue-pale);
  border: 1px solid #bfdbfe;
  padding: 12px 22px;
  border-radius: 999px;
  transition: background 0.2s, transform 0.2s;
}
.text-link:hover {
  background: #dbeafe;
  transform: translateY(-2px);
}

.preview-frame {
  background: linear-gradient(160deg, #f0f7fd 0%, #f8fafc 100%);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
}

.preview-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.preview-tag {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--blue);
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 999px;
}

.mini-weather {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.mini-card {
  background: var(--surface);
  border: 1px solid #dbe7f0;
  border-top: 3px solid var(--blue);
  border-radius: 14px;
  text-align: center;
  padding: 16px 10px;
  box-shadow: 0 6px 16px rgba(23, 37, 59, 0.04);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.mini-card.weather-sun {
  border-top-color: var(--sun);
}
.mini-card.weather-rain {
  border-top-color: var(--blue);
  background: linear-gradient(180deg, #f5f9ff 0%, #ffffff 100%);
}
.mini-card.weather-cloud {
  border-top-color: #64748b;
}

.mini-card .role {
  font-size: 11px;
  font-weight: 800;
  color: var(--ink-2);
  background: #f1f5f9;
  padding: 3px 10px;
  border-radius: 999px;
}
.mini-card.weather-sun .role {
  background: #fef3c7;
  color: #92400e;
}
.mini-card.weather-rain .role {
  background: #dbeafe;
  color: #1e40af;
}

.mini-card h4 {
  font-size: 15px;
  margin: 10px 0 8px;
  font-weight: 800;
  color: var(--ink);
}

.mini-card svg {
  width: 52px;
  height: 52px;
  margin: 0 auto 4px;
}

.mini-cond {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
}

.mini-card .temp {
  font-size: 30px;
  font-weight: 850;
  margin: 4px 0 2px;
  color: var(--ink);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.mini-card .temp small {
  font-size: 13px;
  font-weight: 700;
  margin-left: 2px;
}

.mini-hilo {
  font-size: 11px;
  font-weight: 600;
  color: var(--subtle);
  margin: 0 0 8px;
  font-variant-numeric: tabular-nums;
}

.mini-card .rain {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--blue-sky);
  background: #f0f9ff;
  padding: 3px 10px;
  border-radius: 999px;
  margin: auto 0 0;
}
.mini-card .rain.is-high {
  background: #dbeafe;
  color: var(--blue-dark);
  font-weight: 800;
}

.scene-tip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--sun-soft);
  border: 1px solid #fde68a;
  border-radius: 12px;
  margin-top: 16px;
}
.tip-icon {
  color: var(--sun);
  font-size: 18px;
  line-height: 1;
}
.scene-tip p {
  font-size: 13.5px;
  font-weight: 700;
  color: #92400e;
  margin: 0;
}

.sample-label {
  font-size: 11px;
  color: var(--subtle);
  text-align: right;
  margin: 10px 4px 0;
}

/* ---------- セクション3：詳細機能（.details-section） ---------- */
.details-section {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 72px;
  align-items: center;
}

.detail-visual {
  position: relative;
  padding: 36px 28px 44px;
}

.detail-backdrop {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, #e0f2fe 0%, #f0f9ff 55%, #fef3c7 100%);
  border-radius: 32px;
  transform: rotate(-2deg);
  z-index: 0;
  border: 1px solid #bae6fd;
}

.forecast-sheet {
  position: relative;
  z-index: 1;
  background: var(--surface);
  padding: 26px;
  border: 1px solid #d5e6f2;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
}

.forecast-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13.5px;
  font-weight: 800;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 14px;
}
.fh-title i {
  font-style: normal;
  margin-right: 4px;
}
.fh-place {
  color: var(--blue);
  background: var(--blue-pale);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
}

.forecast-hours {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
  gap: 10px;
  margin-top: 18px;
}

.fh-col {
  padding: 14px 6px;
  font-size: 12px;
  color: var(--muted);
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.fh-col.is-current {
  background: #ffffff;
  border-color: #93c5fd;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08);
}
.fh-col.rain-hour {
  background: linear-gradient(180deg, #eff6ff 0%, #dbeafe 100%);
  border-color: #60a5fa;
}

.fh-time {
  font-weight: 700;
  font-size: 11.5px;
}
.fh-col.rain-hour .fh-time {
  color: var(--blue-dark);
  font-weight: 800;
}

.forecast-hours svg {
  width: 48px;
  height: 48px;
  margin: 10px auto;
}

.forecast-hours b {
  display: block;
  font-size: 20px;
  color: var(--ink);
  font-weight: 850;
  font-variant-numeric: tabular-nums;
}

.forecast-hours small {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  margin-top: 6px;
  color: var(--blue-sky);
}
.fh-col.rain-hour small {
  background: var(--blue);
  color: #ffffff;
  padding: 2px 8px;
  border-radius: 999px;
}

.forecast-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}
.fm-item {
  background: #f8fafc;
  border-radius: 8px;
  padding: 8px;
  text-align: center;
}
.fm-item span {
  display: block;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--subtle);
}
.fm-item b {
  font-size: 13px;
  font-weight: 800;
  color: var(--ink);
}

.floating-note {
  position: relative;
  z-index: 2;
  margin: -14px -8px 0 auto;
  max-width: 310px;
  background: #fffbeb;
  border: 2px solid #fbbf24;
  border-radius: 16px;
  box-shadow: 0 14px 30px rgba(180, 83, 9, 0.14);
  padding: 14px 20px;
  font-size: 13.5px;
  line-height: 1.65;
  display: flex;
  align-items: center;
  gap: 14px;
  transform: rotate(2deg);
}
.fn-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--sun);
  color: #ffffff;
  font-size: 20px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.floating-note b {
  color: #92400e;
  font-weight: 800;
}

.detail-visual > .sample-label {
  position: relative;
  z-index: 1;
  text-align: center;
  margin-top: 16px;
}

.detail-copy h2 {
  font-size: clamp(26px, 2.8vw, 34px);
  margin-bottom: 16px;
}
.detail-lead {
  font-size: 15.5px;
  color: var(--ink-2);
  margin-bottom: 28px;
}

.detail-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}
.detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  background: var(--bg-sky);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 0.2s, background 0.2s;
}
.detail-list li:hover {
  background: #ffffff;
  border-color: #93c5fd;
}
.dl-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: #ffffff;
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 20px;
  flex-shrink: 0;
}
.detail-list li b,
.detail-list li h3 {
  font-size: 16px;
  font-weight: 800;
  display: block;
  margin: 0 0 4px;
  color: var(--ink);
}
.detail-list li span {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.65;
  display: block;
}

/* ---------- セクション4：3ステップ導入ガイド（.start-section） ---------- */
.start-section {
  background: linear-gradient(180deg, #f4f9fd 0%, #fcfbf7 100%);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  text-align: center;
}

.start-lead {
  font-size: 15.5px;
  color: var(--muted);
  max-width: 600px;
  margin: 12px auto 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
  text-align: left;
}

.step-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.step-number {
  font-size: 18px;
  font-weight: 850;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--blue-sky));
  border-radius: 50%;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  box-shadow: 0 6px 14px rgba(37, 99, 235, 0.22);
}

.step-tag {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--subtle);
}

/* ステップ内のミニUIイラスト */
.step-illust {
  background: var(--bg-sky);
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
  min-height: 108px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}

.si-browser {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 7px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.si-dots {
  display: flex;
  gap: 4px;
}
.si-dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #cbd5e1;
}
.si-url {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--ink-2);
}
.si-badge {
  align-self: center;
  background: #dcfce7;
  color: #166534;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 12px;
  border-radius: 999px;
}

.si-search {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  padding: 6px 8px 6px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 11.5px;
  color: var(--muted);
}
.si-search b {
  background: var(--blue);
  color: #ffffff;
  font-size: 10.5px;
  padding: 3px 10px;
  border-radius: 999px;
}
.si-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.si-chips span {
  background: #ffffff;
  border: 1px solid #bfdbfe;
  color: var(--blue);
  font-size: 10.5px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
}

.si-mini-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.sim-c {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 8px 4px;
  text-align: center;
}
.sim-c.is-active {
  border-color: var(--blue);
  background: #eff6ff;
}
.sim-c span {
  display: block;
  font-size: 10px;
  color: var(--subtle);
}
.sim-c b {
  font-size: 12px;
  color: var(--ink);
}

.steps h3 {
  font-size: 19px;
  font-weight: 800;
  margin: 0 0 8px;
}

.steps p {
  font-size: 14px;
  color: var(--muted);
  margin: 0;
  line-height: 1.75;
}

.location-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  background: #ffffff;
  border: 1px solid var(--line);
  padding: 10px 22px;
  border-radius: 999px;
  margin: 36px 0 0;
}

/* ---------- セクション5：FAQ（#faq） ---------- */
.faq {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.faq h2 {
  font-size: clamp(28px, 3vw, 36px);
  margin-bottom: 12px;
}

.faq-sub {
  font-size: 14.5px;
  color: var(--muted);
}

.faq-items {
  display: grid;
  gap: 14px;
}

.faq details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 0 24px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.faq details:hover {
  border-color: #93c5fd;
}
.faq details[open] {
  border-color: #93c5fd;
  box-shadow: var(--shadow-sm);
  background: #fcfdff;
}

summary {
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 800;
  padding: 20px 40px 20px 0;
  position: relative;
  line-height: 1.6;
  display: flex;
  align-items: center;
  gap: 12px;
}
summary h3 {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  color: inherit;
}
summary::-webkit-details-marker {
  display: none;
}
summary::before {
  content: "Q";
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--blue-pale);
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
  flex-shrink: 0;
}
summary::after {
  content: "＋";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #f1f5f9;
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 800;
  display: grid;
  place-items: center;
}
details[open] summary::after {
  content: "−";
  background: var(--blue);
  color: #ffffff;
}

details p {
  font-size: 14.5px;
  color: var(--ink-2);
  padding: 0 12px 22px 40px;
  margin: 0;
  line-height: 1.85;
}

/* ---------- セクション6：クロージングCTA（.closing） ---------- */
.closing {
  background:
    radial-gradient(circle at 50% 0%, rgba(254, 240, 138, 0.55) 0%, rgba(254, 240, 138, 0) 55%),
    linear-gradient(145deg, #dbeafe 0%, #eff6ff 52%, #fef9c3 100%);
  text-align: center;
  padding: 96px 24px;
  position: relative;
  overflow: hidden;
  border-top: 1px solid #bfdbfe;
}

.closing-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}

.closing-icon-wrap {
  width: 96px;
  height: 96px;
  margin: 0 auto 20px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid #ffffff;
  border-radius: 28px;
  display: grid;
  place-items: center;
  box-shadow: 0 14px 32px rgba(37, 99, 235, 0.12);
}
.closing-icon-wrap img {
  width: 68px;
  height: 56px;
}

.closing h2 {
  font-size: clamp(28px, 3.6vw, 42px);
  margin: 0 0 14px;
}

.closing-lead {
  font-size: 16px;
  color: var(--ink-2);
  margin-bottom: 28px;
  font-weight: 500;
}

.cta-note {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 16px 0 0;
  color: var(--ink-2);
}
.cta-note i {
  font-style: normal;
  color: #94a3b8;
  margin: 0 8px;
}

.closing-cloud {
  left: -60px;
  top: 90px;
  opacity: 0.65;
}
.closing-cloud-right {
  right: -50px;
  bottom: 60px;
  transform: scale(1.2);
  opacity: 0.6;
}

/* ---------- 親プロジェクト導線カード (Monterey ポータル) ---------- */
.portal-banner {
  padding-top: 10px;
  padding-bottom: 60px;
}

.portal-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: linear-gradient(135deg, #f0f9fb 0%, #ffffff 100%);
  border: 1px solid var(--line);
  border-left: 5px solid var(--teal);
  border-radius: var(--radius-lg);
  padding: 34px 38px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease-spring), box-shadow 0.35s var(--ease-out-expo);
}
.portal-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--teal);
}

.portal-card-main {
  flex: 1;
}

.portal-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--teal);
  margin-bottom: 10px;
}

.portal-card h3 {
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 10px;
  line-height: 1.4;
}

.portal-card p {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-2);
  margin-bottom: 0;
}

.portal-card-action {
  flex-shrink: 0;
}

.portal-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  color: var(--ink);
  border: 1.5px solid var(--line);
  border-radius: 999px;
  padding: 14px 26px;
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s var(--ease-spring);
}
.portal-btn:hover {
  background: var(--teal);
  color: #ffffff;
  border-color: var(--teal);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(13, 148, 136, 0.25);
}
.portal-btn span {
  font-size: 13px;
  transition: transform 0.2s ease;
}
.portal-btn:hover span {
  transform: translate(2px, -2px);
}

@media (max-width: 820px) {
  .portal-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 26px 22px;
    gap: 18px;
  }
  .portal-btn {
    width: 100%;
    justify-content: center;
  }
}

/* ---------- フッター ---------- */
.footer {
  padding-top: 36px;
  padding-bottom: 40px;
}

.footer-top {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 20px;
}

.footer .brand img {
  width: 128px;
  height: 56px;
}

.footer-top > p {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--muted);
  margin: 0;
}

/* フッター内リンク */
.footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: auto;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  transition: color 0.2s;
}
.footer-links a:hover {
  color: var(--blue);
  text-decoration: underline;
}

.footer small {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--subtle);
}

.footer .footer-note {
  width: 100%;
  font-size: 12px;
  color: var(--subtle);
  margin: 0;
  border-top: 1px solid var(--line-soft);
  padding-top: 18px;
}

.mobile-only {
  display: none;
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 1020px) {
  .header nav {
    gap: 18px;
  }
  .weather-stack {
    gap: 14px;
  }
  .weather-card {
    padding: 18px 14px;
  }
  .temperature strong {
    font-size: 36px;
  }
  .weather-icon {
    width: 54px;
    height: 54px;
  }
  .scene-panel {
    grid-template-columns: 1fr;
    padding: 32px;
    gap: 32px;
  }
  .details-section {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .detail-visual {
    max-width: 580px;
    margin: 0 auto;
    width: 100%;
    order: 2;
  }
  .benefits,
  .steps {
    gap: 18px;
  }
  .faq {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 760px) {
  .wrap,
  .hero-container,
  .header-inner {
    width: calc(100% - 36px);
  }
  .header-inner {
    height: 68px;
  }
  .header .brand img {
    width: 124px;
    height: 54px;
  }
  .header nav {
    display: none;
  }
  .button.small {
    padding: 9px 16px;
    font-size: 12px;
  }

  .hero {
    padding: 36px 0 0;
  }
  .hero h1 {
    font-size: clamp(30px, 8vw, 42px);
  }
  .lead {
    font-size: 14.5px;
  }
  .main-cta {
    width: 100%;
    padding: 16px 22px;
    font-size: 14.5px;
  }
  .app-board {
    padding: 16px 14px 20px;
    border-radius: 18px;
  }
  .app-board-bar {
    gap: 8px;
    padding-bottom: 14px;
    margin-bottom: 16px;
  }
  .app-loc-pill {
    display: none;
  }
  .weather-stack {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .demo-caption {
    justify-content: center;
  }

  .section {
    padding-top: 68px;
    padding-bottom: 68px;
  }
  .benefits {
    grid-template-columns: 1fr;
  }
  .section-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .scene-tabs {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    padding: 6px;
  }
  .scene-tabs button {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 12px 6px;
    gap: 6px;
  }
  .tab-label {
    font-size: 12px;
  }
  .scene-panel {
    padding: 24px 18px;
  }
  .mini-weather {
    gap: 8px;
  }
  .mini-card {
    padding: 12px 6px;
  }
  .mini-card h4 {
    font-size: 13px;
  }
  .mini-card svg {
    width: 42px;
    height: 42px;
  }
  .mini-card .temp {
    font-size: 24px;
  }

  .detail-visual {
    padding: 20px 12px 30px;
  }
  .forecast-sheet {
    padding: 18px 14px;
  }
  .forecast-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .floating-note {
    margin: 12px auto 0;
    transform: none;
  }

  .steps {
    grid-template-columns: 1fr;
  }
  .location-note {
    border-radius: 14px;
    text-align: left;
    padding: 12px 16px;
  }

  .faq details {
    padding: 0 18px;
  }
  summary {
    font-size: 14.5px;
  }
  details p {
    padding-left: 0;
  }

  .closing {
    padding: 68px 20px;
  }
  .brand-wrap {
    gap: 8px;
  }
  .brand-parent-badge {
    padding: 3px 8px;
    font-size: 10.5px;
  }
  .brand-parent-badge img {
    width: 12px;
    height: 12px;
  }
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .footer-links {
    margin-left: 0;
    gap: 14px;
    width: 100%;
  }
  .footer small {
    margin-left: 0;
  }
  .mobile-only {
    display: inline;
  }
}

/* =========================================================
   ChromaTeach風のなめらかな動き（スクロール連動・ホバー演出）
   ========================================================= */

/* スクロール出現アニメーション */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 時間差ディレイ */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* カード類のなめらかな浮き上がりと影の拡散 */
.weather-card,
.benefit-card,
.step-card,
.mini-card {
  transition: transform 0.35s var(--ease-spring), box-shadow 0.35s var(--ease-out-expo), border-color 0.25s ease;
}
.weather-card:hover,
.benefit-card:hover,
.step-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 36px rgba(23, 37, 59, 0.1);
}

/* 数字（温度やパーセントなど）を Barlow で引き締める */
.temp,
.mini-hilo,
.rain,
.hero-badge,
.cta-badge,
.step-num {
  font-family: var(--f-en), var(--f-ja);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}