:root {
  --bg: #F7F8FA;
  --surface: #FFFFFF;
  --ink: #16213A;
  --muted: #5B6B85;
  --blue: #2E5AAC;
  --blue-deep: #1B3A78;
  --blue-soft: #E7EEFC;
  --blue-pale: #F1F5FD;
  --warn: #C4432A;
  --warn-soft: #FBE9E4;
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Zen Kaku Gothic New', 'Hiragino Kaku Gothic ProN', sans-serif;
  line-height: 1.8;
  word-break: keep-all;
  /*overflow-wrap: break-word;*/
}

h1, h2, h3, h4, .fw-brand {
  font-weight: 900;
  letter-spacing: .01em;
}

.text-muted-jp {
  color: var(--muted) !important;
}

a {
  text-decoration: none;
}

/* ---- site-level top bar (shared across the whole site) ---- */

.site-topbar {
  background: var(--blue-deep);
  color: #EAF0FF;
  font-size: 13px;
  padding: 9px 0;
}

.site-topbar .site-name {
  color: #fff;
  font-weight: 700;
  letter-spacing: .03em;
  font-size: 14px;
}

.site-topbar .global-nav {
  list-style: none;
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0;
}

.site-topbar .global-nav a {
  color: rgba(234,240,255,.8);
  font-size: 12.5px;
  font-weight: 500;
}

.site-topbar .global-nav a:hover {
  color: #fff;
}

/* ---- product-level nav (this page only) ---- */

.navbar-lp {
  background: rgba(247,248,250,.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(22,33,58,.06);
}

.breadcrumb-mini {
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: .02em;
  margin-bottom: 2px;
  display: block;
}

.navbar-brand-lp {
  font-weight: 900;
  font-size: 19px;
  color: var(--blue-deep) !important;
  letter-spacing: .02em;
  line-height: 1.3;
}

.product-sub {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  margin-left: 10px;
  vertical-align: middle;
}

.navbar-lp .nav-link {
  color: var(--ink);
  font-weight: 500;
  font-size: 14.5px;
}

.navbar-lp .nav-link:hover {
  color: var(--blue);
}

.btn-brand {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  font-weight: 700;
  border-radius: 12px;
}

.btn-brand:hover {
  background: var(--blue-deep);
  border-color: var(--blue-deep);
  color: #fff;
}

.btn-outline-brand {
  border: 1.5px solid var(--blue);
  color: var(--blue);
  font-weight: 700;
  border-radius: 12px;
}

.btn-outline-brand:hover {
  background: var(--blue);
  color: #fff;
}

/* ---- hero ---- */

.hero {
  padding: 72px 0 90px;
  background: linear-gradient(180deg, var(--blue-pale) 0%, var(--bg) 65%);
}

@media (max-width:768px) {
  .hero {
    padding: 48px 0 64px;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--blue-deep);
  background: var(--blue-soft);
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}

.hero h1 {
  font-size: clamp(32px,4.6vw,52px);
  line-height: 1.35;
  color: var(--ink);
}

.hero h1 .accent {
  color: var(--blue);
}

.hero .lead {
  color: var(--muted);
  font-size: 17px;
  max-width: 100%;
  margin-top: 20px;
}

.stat-pill {
  background: var(--surface);
  border: 1px solid rgba(22,33,58,.08);
  border-radius: 12px;
  padding: 10px 16px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--muted);
  box-shadow: 0 2px 8px rgba(22,33,58,.03);
}

.stat-pill b {
  color: var(--blue-deep);
}

/* ---- section heads ---- */

.section-pad {
  padding: 88px 0;
}

@media (max-width:768px) {
  .section-pad {
    padding: 60px 0;
  }
}

.s-head {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

.s-head h2 {
  font-size: clamp(24px,3.2vw,32px);
}

.s-head p {
  color: var(--muted);
  margin-top: 12px;
  font-size: 15.5px;
}

/* ---- step cards ---- */

.step-card {
  background: var(--surface);
  border: 1px solid rgba(22,33,58,.06);
  border-radius: var(--radius);
  padding: 30px 26px;
  height: 100%;
  position: relative;
  box-shadow: 0 4px 16px rgba(22,33,58,.04);
}

.step-card .num {
  position: absolute;
  top: 24px;
  right: 26px;
  font-size: 12px;
  font-weight: 700;
  color: #AFC2E8;
  letter-spacing: .08em;
}

.step-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.step-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(234,240,255,.6);
  border: 1px solid rgba(22,33,58,.06);
  object-fit: contain;
  padding: 6px;
  flex-shrink: 0;
}

.step-card h3 {
  font-size: 18px;
  margin-bottom: 0;
}

.step-card p {
  font-size: 14.5px;
  color: var(--muted);
  margin: 0;
}

/* ---- stat band ---- */

.stat-band {
  background: var(--blue-deep);
  color: #EAF0FF;
  border-radius: 28px;
  padding: 52px 40px;
}

.stat-band .num {
  font-weight: 900;
  font-size: clamp(44px,6.6vw,76px);
  line-height: 1;
  color: #fff;
}

.stat-band .num span {
  font-size: .38em;
  font-weight: 700;
  margin-left: 6px;
}

.stat-band .note {
  font-size: 13px;
  opacity: .8;
  margin-top: 12px;
}

.stat-band p.copy {
  font-size: 15px;
  opacity: .92;
}

.co2-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.14);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

/* ---- compare cards ---- */

.compare-card {
  background: var(--surface);
  border: 1px solid rgba(22,33,58,.06);
  border-radius: var(--radius);
  padding: 26px;
  height: 100%;
  position: relative;
  box-shadow: 0 4px 16px rgba(22,33,58,.04);
}

.compare-card .tag {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--blue);
  text-transform: uppercase;
  margin: 18px 0 8px;
}

.compare-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.compare-media {
  position: relative;
}

.compare-media .ratio {
  border-radius: 16px;
  overflow: hidden;
}

.compare-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.drop-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  background: var(--blue);
  color: #fff;
  border-radius: 18px;
  padding: 10px 16px 9px;
  text-align: center;
  line-height: 1;
  box-shadow: 0 10px 22px rgba(46,90,172,.38);
}

.drop-badge .arrow {
  font-size: 13px;
  font-weight: 900;
  display: block;
  margin: 5px 0 0 0;
}

.drop-badge .num {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -.01em;
}

.drop-badge .num small {
  font-size: 14px;
  font-weight: 700;
  margin-left: 1px;
}

.drop-badge .label {
  font-size: 10.5px;
  font-weight: 700;
  opacity: .9;
  margin-top: 2px;
}

.compare-card ul {
  padding-left: 0;
  list-style: none;
  margin: 16px 0 0;
}

.compare-card li {
  font-size: 14px;
  color: var(--muted);
  padding-left: 20px;
  position: relative;
  margin-bottom: 10px;
}

.compare-card li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--blue);
}

.compare-card .warn-note {
  margin-top: 18px;
  background: var(--warn-soft);
  border-left: 3px solid var(--warn);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--warn);
}

/* ---- animals: comfort temperature ---- */

.animal-card {
  background: var(--surface);
  border: 1px solid rgba(22,33,58,.06);
  border-radius: 20px;
  padding: 24px 20px;
  text-align: center;
  height: 100%;
  box-shadow: 0 4px 16px rgba(22,33,58,.04);
}

.animal-photo {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  margin: 0 auto 14px;
  background: var(--blue-soft);
  overflow: hidden;
}

.animal-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.animal-card h4 {
  font-size: 16px;
  margin-bottom: 6px;
}

/* ---- spec panel ---- */

.spec-panel {
  background: var(--ink);
  color: #EAF0FF;
  border-radius: 28px;
  padding: 44px 40px;
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 0 32px;
  margin-top: 24px;
}

@media (max-width:640px) {
  .spec-grid {
    grid-template-columns: 1fr;
  }
}

.spec-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(234,240,255,.14);
  font-size: 14px;
}

.spec-row dt {
  color: rgba(234,240,255,.6);
  margin: 0;
}

.spec-row dd {
  margin: 0;
  font-weight: 700;
  text-align: right;
}

footer {
  padding: 40px 0 60px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}

footer .brand {
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}

.compat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 800;
  padding: 4px 11px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.compat-badge.good {
  background: var(--blue);
  color: #fff;
}

.compat-badge.caution {
  background: var(--blue-soft);
  color: var(--blue-deep);
}

.species-tabs .nav-link {
  color: var(--muted);
  font-weight: 700;
  font-size: 14px;
  border-radius: 999px;
  padding: 8px 20px;
}

.species-tabs .nav-link.active {
  background: var(--blue) !important;
  color: #fff !important;
}

.species-group-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--blue-deep);
  letter-spacing: .04em;
  margin: 28px 0 14px;
}

.species-group-label:first-child {
  margin-top: 0;
}

.species-card {
  background: var(--surface);
  border: 1px solid rgba(22,33,58,.06);
  border-radius: 16px;
  padding: 20px 22px;
  height: 100%;
  box-shadow: 0 4px 16px rgba(22,33,58,.04);
}

.species-card h4 {
  font-size: 16px;
  font-weight: 900;
  margin-bottom: 2px;
  color: var(--ink);
}

.species-card p {
  font-size: 13.5px;
  color: var(--muted);
  margin: 0;
}

.species-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 36px;
}

.species-legend b {
  color: var(--blue-deep);
}

.info-strip {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.info-strip img {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.info-strip .info-body h4 {
  font-size: 15px !important;
  font-weight: 800 !important;
  margin-bottom: 4px;
  color: var(--ink);
  line-height: 1.4;
}

.info-strip .info-body p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

.range-bar {
  position: relative;
  height: 8px;
  border-radius: 999px;
  background: #E3EAF7;
  margin: 16px 0 4px;
}

.range-bar .fill {
  position: absolute;
  top: -4px;
  height: 16px;
  border-radius: 999px;
  background: var(--blue);
  border: 2px solid var(--surface);
}

.range-scale {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: #AFC2E8;
  margin-bottom: 8px;
}

.animal-temp {
  font-size: 13px;
  color: var(--muted);
  font-weight: 700;
  margin-top: 8px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 0;
  background: linear-gradient(180deg, var(--blue-pale) 0%, var(--bg) 65%);
}

.hero-bg {
  display: none;
}

.hero-mobile-img {
  width: 100%;
  border-radius: 24px;
  display: block;
  margin-bottom: 28px;
}

.hero-inner-wrap {
  padding: 56px 20px 64px;
}

@media (min-width:992px) {
  .hero {
    min-height: 600px;
    display: flex;
    align-items: center;
  }
}

@media (min-width:992px) {
  .hero-bg {
    display: block;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 22% 100%;
    z-index: 0;
  }
}

@media (min-width:992px) {
  .hero-mobile-img {
    display: none;
  }
}

@media (min-width:992px) {
  .hero-inner-wrap {
    position: relative;
    z-index: 1;
    padding: 80px 24px;
  }
}

@media (min-width:992px) {
  .hero-copy {
    margin-left: auto;
    max-width: 640px;
  }
}

h1 {
}

.hero h1, .hero-copy .lead {
  word-break: keep-all;
  overflow-wrap: break-word;
}

.hole-note {
  background: var(--surface);
  border: 1px solid rgba(22,33,58,.06);
  border-radius: var(--radius);
  padding: 30px;
  margin-top: 24px;
  box-shadow: 0 4px 16px rgba(22,33,58,.04);
}

.hole-tips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}

@media (max-width:860px) {
  .hole-tips {
    grid-template-columns: 1fr;
  }
}

.hole-tip {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.hole-tip img {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 10px;
  background: var(--blue-soft);
  padding: 6px;
  object-fit: contain;
}

.hole-tip p {
  font-size: 13.5px;
  color: var(--muted);
  margin: 0;
  line-height: 1.7;
}

.hole-table-wrap {
  overflow-x: auto;
}

.hole-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.hole-table caption {
  text-align: left;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 10px;
  caption-side: top;
}

.hole-table th, .hole-table td {
  border: 1px solid rgba(22,33,58,.08);
  padding: 10px 14px;
  text-align: center;
}

.hole-table thead th {
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-weight: 700;
}

.hole-table td:first-child, .hole-table th:first-child {
  text-align: left;
  color: var(--muted);
  background: #FAFBFD;
}

.hole-table-note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 10px;
}

.hole-table th.is-highlight {
  background: var(--blue);
  color: #fff;
}

.hole-table td.is-highlight {
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-weight: 800;
}

.caution-panel {
  background: var(--surface);
  border: 1px solid rgba(22,33,58,.06);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 4px 16px rgba(22,33,58,.04);
}

.warn-icon-card p {
  font-size: 13.5px;
}

.hole-table th.is-highlight {
  background: var(--blue);
  color: #fff;
}

.hole-table td.is-highlight {
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-weight: 800;
}

.faq-wrap {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface);
  border: 1px solid rgba(22,33,58,.06);
  border-radius: 16px;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(22,33,58,.04);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  background: none;
  border: none;
  text-align: left;
  padding: 20px 22px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
}

.faq-question .q-mark {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-question span.q-text {
  flex: 1;
}

.faq-question .chevron {
  flex-shrink: 0;
  transition: transform .25s ease;
  color: var(--blue);
}

.faq-question:not(.collapsed) .chevron {
  transform: rotate(180deg);
}

.faq-answer-body {
  padding: 0 22px 22px 64px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

@media (max-width:480px) {
  .faq-answer-body {
    padding-left: 22px;
  }
}

.faq-side {
  text-align: left;
}

.faq-side .eyebrow {
  margin-bottom: 18px;
}

.faq-side h2 {
  font-size: clamp(24px,3vw,32px);
}

.faq-side p {
  color: var(--muted);
  margin-top: 12px;
  font-size: 15px;
}

@media (min-width:992px) {
  .faq-side {
    position: sticky;
    top: 100px;
  }
}

.faq-wrap {
  margin: 0;
}

.faq-item {
  background: var(--surface);
  border: 1px solid rgba(22,33,58,.06);
  border-radius: 16px;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(22,33,58,.04);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  background: none;
  border: none;
  text-align: left;
  padding: 20px 22px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
}

.faq-question .q-mark {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-question span.q-text {
  flex: 1;
}

.faq-question .chevron {
  flex-shrink: 0;
  transition: transform .25s ease;
  color: var(--blue);
}

.faq-question:not(.collapsed) .chevron {
  transform: rotate(180deg);
}

.faq-answer-body {
  padding: 0 22px 22px 64px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}

@media (max-width:480px) {
  .faq-answer-body {
    padding-left: 22px;
  }
}

.distance-stats {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(22,33,58,.06);
}

.distance-caption {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 14px;
}

.distance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

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

.distance-card {
  background: #FAFBFD;
  border: 1px solid rgba(22,33,58,.08);
  border-radius: 12px;
  padding: 14px 10px;
  text-align: center;
}

.distance-pill {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--blue-deep);
  background: var(--blue-soft);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 8px;
}

.distance-avg {
  font-size: 20px;
  font-weight: 900;
  color: var(--ink);
  line-height: 1;
}

.distance-avg small {
  font-size: 12px;
  font-weight: 700;
}

.distance-min {
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
}

.stat-band .detail-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 13.5px;
  font-weight: 700;
  color: #fff;
  border: 1.5px solid rgba(255,255,255,.5);
  padding: 9px 16px;
  border-radius: 999px;
  transition: background .2s ease, border-color .2s ease;
}

.stat-band .detail-link:hover {
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.8);
  color: #fff;
}

.stat-band .detail-link svg {
  transition: transform .2s ease;
}

.stat-band .detail-link:hover svg {
  transform: translateX(3px);
}

.label-top {
  font-size: 11px;
  font-weight: 700;
}

.s-head h2 {
  word-break: keep-all;
  overflow-wrap: break-word;
}

.warn-icon-card {
  display: block;
  padding: 16px 18px;
  height: 100%;
}

.warn-icon-card::after {
  content: "";
  display: table;
  clear: both;
}

.warn-icon-card p {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink);
  font-weight: 500;
  line-height: 1.6;
}

.spec-subtitle {
  font-size: clamp(11px, 3vw, 15px);
  color: var(--muted);
  white-space: nowrap;
  overflow-x: auto;
  font-weight: bold;
  margin-top: 6px;
}

.co2-badge {
  display: inline-flex;
  flex-direction: column;
  gap: 10px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  padding: 14px 18px;
  border-radius: 16px;
}

.co2-badge-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
}

.co2-trees {
  display: flex;
  gap: 0px;
  align-items: flex-end;
}

.co2-trees svg {
  width: 24px;
  height: 29px;
}

.warn-icon-card {
  display: flex;
  align-items: flex-start;
  gap: 5px;
  background: var(--surface);
  border: 1px solid rgba(22,33,58,.06);
  border-radius: 14px;
  padding: 16px 18px;
  height: 100%;
  box-shadow: 0 4px 16px rgba(22,33,58,.04);
}

.warn-icon-frame {
  flex-shrink: 0;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  border: 2px solid var(--warn);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.warn-icon {
  object-fit: contain;
}

.warn-icon-card.is-danger .warn-icon-frame {
  border-color: var(--warn);
  background: var(--warn-soft);
}

.warn-icon-card.is-info .warn-icon-frame {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.warn-icon-card p {
  flex: 1;
  min-width: 0;
  margin: 0;
  font-size: 13.5px;
  color: var(--ink);
  font-weight: 500;
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: break-word;
}