/* ==========================================================================
   base
   ========================================================================== */
* { box-sizing: border-box; }

body {
  margin: 0;
  overflow-x: hidden;
  font-family: 'Noto Sans JP', -apple-system, sans-serif;
  color: #16374E;
}

a { color: #1487C9; }
a:hover { color: #20A8F0; }

.page {
  width: 100%;
  font-family: 'Noto Sans JP', -apple-system, sans-serif;
}

/* utilities */
.text-accent { color: #20A8F0; }
.text-accent-red { color: #E0532B; }
.nowrap { white-space: nowrap; }
.text-small-inline { font-size: 0.66em; }
.mobile-br { display: none; }
.text-dark { color: #16374E; }

.section-eyebrow {
  font-size: clamp(14px, 1.4vw, 16px);
  font-weight: 900;
  color: #20A8F0;
  letter-spacing: 3px;
}

.section-title {
  margin: 8px 0 0;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 900;
}

.badge-trial {
  display: inline-block;
  background: #FFF1E6;
  color: #E07000;
  font-size: clamp(14px, 1.4vw, 16px);
  font-weight: 900;
  padding: 8px 18px;
  border-radius: 999px;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #20A8F0;
  color: #fff;
  text-decoration: none;
  font-weight: 900;
  border-radius: 999px;
}
.btn-download:hover { color: #fff; }

.phone-frame {
  background: #11161f;
  border-radius: 32px;
  box-shadow: 0 22px 46px rgba(16, 80, 130, 0.26);
  padding: 6px;
}
.phone-frame img {
  width: 100%;
  display: block;
  border-radius: 26px;
}

/* ==========================================================================
   header
   ========================================================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px clamp(16px, 4vw, 48px);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #E2ECF4;
}

.header__logo {
  height: clamp(38px, 4.6vw, 48px);
  width: auto;
  display: block;
}

.header__cta {
  text-decoration: none;
  background: #20A8F0;
  color: #fff;
  font-size: clamp(14px, 1.4vw, 16px);
  font-weight: 700;
  padding: 11px 22px;
  border-radius: 999px;
  white-space: nowrap;
}
.header__cta:hover { color: #fff; }

/* ==========================================================================
   hero
   ========================================================================== */
.hero {
  position: relative;
  background: linear-gradient(180deg, #EAF6FE 0%, #D5EDFC 100%);
  overflow: hidden;
}

.hero__blob {
  position: absolute;
  top: -120px;
  right: -100px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: rgba(32, 168, 240, 0.10);
}

.hero__inner {
  position: relative;
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(36px, 5vw, 72px) clamp(20px, 4vw, 48px);
  display: flex;
  flex-wrap: nowrap;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.hero__content {
  flex: 1 1 420px;
  min-width: 300px;
  container-type: inline-size;
}

.hero__badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background: #fff;
  padding: 18px 34px;
  border-radius: 20px;
  box-shadow: 0 8px 24px rgba(90, 194, 250, 0.18);
}

.hero__badge-text {
  font-size: clamp(14px, 1.4vw, 16px);
  font-weight: 900;
  color: #16374E;
}

.hero__badge-logo {
  height: clamp(40px, 4.4vw, 58px);
  width: auto;
}

.hero__title {
  margin: 22px 0 0;
  font-size: clamp(20px, 8cqw, 52px);
  line-height: 1.4;
  font-weight: 900;
  letter-spacing: -0.5px;
  text-wrap: pretty;
  white-space: nowrap;
}

.hero__subtitle {
  margin: 18px 0 0;
  font-size: clamp(16px, 1.6vw, 20px);
  font-weight: 700;
  color: #2E5872;
}

.hero__desc {
  margin: 18px 0 0;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.95;
  color: #3E5B70;
  max-width: 540px;
}

.hero__actions {
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.hero__actions .btn-download {
  font-size: 17px;
  padding: 15px 30px;
  box-shadow: 0 8px 25px rgba(97, 196, 248, 0.34);
}

.hero__store-text {
  font-size: clamp(13px, 1.3vw, 14px);
  color: #5E7180;
  font-weight: 700;
  padding-left: 30px;
}

.hero__media {
  flex: 0 1 380px;
  min-width: 240px;
  display: flex;
  justify-content: center;
}

.hero__media .phone-frame {
  width: clamp(220px, 26vw, 290px);
  border-radius: 38px;
  box-shadow: 0 26px 50px rgba(16, 80, 130, 0.28);
  padding: 7px;
}
.hero__media .phone-frame img { border-radius: 31px; }

/* ==========================================================================
   intro
   ========================================================================== */
.intro {
  background: #fff;
  padding: clamp(34px, 4vw, 56px) clamp(20px, 4vw, 48px);
  text-align: center;
}

.intro__inner {
  max-width: 900px;
  margin: 0 auto;
}

.intro__lead {
  margin: 0;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 900;
  line-height: 1.5;
}

.intro__desc {
  margin: 14px 0 0;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.9;
  color: #5E7180;
}

/* ==========================================================================
   download
   ========================================================================== */
.download {
  background: #F4FAFE;
  padding: clamp(34px, 4vw, 56px) clamp(20px, 4vw, 48px);
  border-top: 1px solid #E6EFF6;
  border-bottom: 1px solid #E6EFF6;
}

.download__inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.download__tagline-img {
  width: 240px;
  max-width: 70%;
  height: auto;
  display: block;
  margin: 0 auto 8px;
}

.download__inner .badge-trial { margin: 6px 0 22px; }

.download__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  align-items: center;
}

.download__actions .btn-download {
  font-size: 18px;
  padding: 17px 36px;
  box-shadow: 0 14px 28px rgba(32, 168, 240, 0.34);
}

.qr-box {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: #fff;
  padding: 14px 18px;
  border-radius: 16px;
  border: 1px solid #DCEAF6;
}

.qr-box__img {
  width: 78px;
  height: 78px;
  display: block;
}

.qr-box__text {
  margin: 0;
  font-size: 12px;
  color: #5E7180;
  text-align: left;
  line-height: 1.6;
}

.download__note {
  margin: 16px 0 0;
  font-size: clamp(13px, 1.3vw, 14px);
  color: #7587A0;
  font-weight: 700;
}

/* ==========================================================================
   1km mesh explainer
   ========================================================================== */
.mesh {
  background: #fff;
  padding: clamp(34px, 4vw, 64px) clamp(20px, 4vw, 48px);
}

.mesh__inner {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.mesh__text {
  flex: 1 1 360px;
  min-width: 280px;
}

.mesh__title {
  margin: 8px 0 0;
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 900;
  line-height: 1.45;
  text-wrap: pretty;
}

.mesh__desc {
  margin: 16px 0 0;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.95;
  color: #42596C;
}

.mesh__media {
  flex: 1 1 360px;
  min-width: 280px;
  display: flex;
  justify-content: center;
}

.mesh__img {
  width: 100%;
  max-width: 440px;
  height: auto;
  display: block;
}

/* ==========================================================================
   common features
   ========================================================================== */
.features {
  background: #fff;
  padding: clamp(44px, 5vw, 80px) clamp(20px, 4vw, 48px) clamp(20px, 2vw, 32px);
}

.features__inner {
  max-width: 1120px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(28px, 3vw, 48px);
}

.feature-row {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  padding: clamp(20px, 2vw, 36px) 0;
  flex-direction: row;
}

.feature-row--reverse { flex-direction: row-reverse; }

.feature-row__media {
  flex: 0 1 480px;
  min-width: 240px;
  display: flex;
  gap: 18px;
  justify-content: center;
  align-items: flex-start;
}

.feature-row__media .phone-frame {
  width: clamp(200px, 22vw, 250px);
}

.feature-row__media .phone-frame--offset { margin-top: 34px; }

.feature-row__content {
  flex: 1 1 380px;
  min-width: 280px;
}

.feature-tag {
  display: inline-block;
  background: #20A8F0;
  color: #fff;
  font-size: clamp(13px, 1.4vw, 15px);
  font-weight: 900;
  padding: 7px 18px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}

.feature-row__title {
  margin: 14px 0 0;
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.5;
  font-weight: 900;
  text-wrap: pretty;
}

.feature-row__desc {
  margin: 12px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.95;
  color: #42596C;
}

/* ==========================================================================
   audience / tabs
   ========================================================================== */
.audience {
  background: #EEF4F8;
  padding: clamp(44px, 5vw, 84px) clamp(20px, 4vw, 48px);
}

.audience__inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.audience__header {
  text-align: center;
}

.audience__header .section-title { margin: 8px 0 4px; }

.audience__lead {
  margin: 0 0 4px;
  font-size: clamp(14px, 1.4vw, 16px);
  color: #5E7180;
  line-height: 1.8;
}

.tabs {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: nowrap;
}

.tab-btn {
  cursor: pointer;
  flex: 1 1 auto;
  text-align: center;
  padding: 16px 22px;
  border-radius: 14px;
  font-size: clamp(14px, 1.6vw, 19px);
  font-weight: 900;
  transition: all 0.2s;
  white-space: nowrap;
  background: #fff;
  border: 2px solid #CFE6F8;
  color: #1487C9;
}

.tab-btn--outdoor {
  border-color: #F0DEC8;
  color: #D2691A;
}
.tab-btn--outdoor.is-active {
  background: #F08800;
  border-color: #F08800;
  color: #fff;
}

.tab-btn--food.is-active {
  background: #20A8F0;
  border-color: #20A8F0;
  color: #fff;
}

.panel { display: none; }
.panel.active { display: block; }

.use-card {
  width: 100%;
  background: #fff;
  border-radius: 22px;
  overflow: hidden;
}

.use-card--outdoor { border: 1px solid #F0DEC8; }
.use-card--food { border: 1px solid #CFE6F8; }

.use-card__header {
  padding: 24px clamp(22px, 3vw, 34px);
}

.use-card--outdoor .use-card__header {
  background: linear-gradient(135deg, #F08800, #E0532B);
}
.use-card--food .use-card__header {
  background: linear-gradient(135deg, #20A8F0, #1487C9);
}

.use-card__eyebrow {
  font-size: clamp(12px, 1.2vw, 13px);
  font-weight: 900;
  letter-spacing: 2px;
}
.use-card--outdoor .use-card__eyebrow { color: #FFE6CC; }
.use-card--food .use-card__eyebrow { color: #CFEBFB; }

.use-card__title {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 900;
  color: #fff;
}

.use-card__desc {
  margin: 8px 0 0;
  font-size: clamp(14px, 1.4vw, 16px);
  line-height: 1.8;
}
.use-card--outdoor .use-card__desc { color: #FFF0E2; }
.use-card--food .use-card__desc { color: #E1F2FC; }

.use-card__body {
  padding: clamp(22px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* wbgt highlight block (outdoor) */
.wbgt-block {
  background: linear-gradient(180deg, #FFF9F2, #FFF1E6);
  border: 1px solid #F2D8BC;
  border-radius: 18px;
  padding: clamp(20px, 2.4vw, 28px);
}

.wbgt-block__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #F08800;
  color: #fff;
  font-size: clamp(12px, 1.2vw, 13px);
  font-weight: 900;
  padding: 6px 13px;
  border-radius: 6px;
  letter-spacing: 1px;
}

.wbgt-block__title {
  margin: 14px 0 0;
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.45;
  font-weight: 900;
  text-wrap: pretty;
}

.wbgt-block__desc {
  margin: 12px 0 0;
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.9;
  color: #5A4A3E;
}

.wbgt-images {
  margin-top: 20px;
  display: flex;
  gap: 18px;
  flex-wrap: nowrap;
  justify-content: center;
}

.wbgt-images .phone-frame {
  width: clamp(150px, 32%, 200px);
  border-radius: 30px;
  box-shadow: 0 18px 36px rgba(180, 90, 20, 0.22);
}
.wbgt-images .phone-frame img { border-radius: 24px; }

.before-after-title {
  margin: 26px 0 0;
  text-align: center;
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 900;
  line-height: 1.5;
}

.before-after {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: stretch;
}

.before-after__col {
  flex: 1 1 240px;
  border-radius: 14px;
  padding: 18px 20px;
}

.before-after__col--before { background: #F2F5F8; }
.before-after__col--after {
  background: #fff;
  border: 1px solid #F4D2B6;
}

.before-after__label {
  font-size: clamp(12px, 1.2vw, 13px);
  font-weight: 900;
  letter-spacing: 1px;
}
.before-after__col--before .before-after__label { color: #8493A2; }
.before-after__col--after .before-after__label { color: #E0532B; }

.before-after__list {
  margin: 10px 0 0;
  padding-left: 18px;
  font-size: clamp(13px, 1.3vw, 15px);
  line-height: 1.8;
}
.before-after__col--before .before-after__list { color: #5A6A7A; }
.before-after__col--after .before-after__list { color: #5A4A3E; }

.wbgt-legend-label {
  margin: 24px 0 10px;
  font-size: 13px;
  font-weight: 900;
}

.wbgt-legend {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.wbgt-legend__row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border-radius: 10px;
  padding: 10px 14px;
  border: 1px solid #EFE2D4;
}

.wbgt-legend__swatch {
  flex: none;
  width: 10px;
  height: 28px;
  border-radius: 4px;
}
.wbgt-legend__swatch--1 { background: #0A010A; }
.wbgt-legend__swatch--2 { background: #4E1198; }
.wbgt-legend__swatch--3 { background: #CD32F1; }
.wbgt-legend__swatch--4 { background: #E60028; }
.wbgt-legend__swatch--5 { background: #FE7C38; }
.wbgt-legend__swatch--6 { background: #FFD553; }
.wbgt-legend__swatch--7 { background: #A0DC8D; }

.wbgt-legend__range {
  flex: none;
  width: 118px;
  font-size: clamp(13px, 1.3vw, 14px);
  font-weight: 700;
}

.wbgt-legend__label {
  font-size: clamp(13px, 1.3vw, 14px);
  color: #5A6A7A;
}

/* feature cards grid (outdoor / food) */
.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: 16px;
}

.feature-card {
  display: flex;
  gap: 16px;
  border-radius: 14px;
  padding: 18px;
}
.use-card--outdoor .feature-card {
  background: #FFF9F2;
  border: 1px solid #F2E2D0;
}
.use-card--food .feature-card {
  background: #F4FAFE;
  border: 1px solid #DCEAF6;
}

.feature-card__media {
  flex: none;
  width: 118px;
  align-self: flex-start;
  background: #11161f;
  padding: 4px;
  border-radius: 18px;
}
.use-card--outdoor .feature-card__media { box-shadow: 0 8px 18px rgba(160, 90, 30, 0.18); }
.use-card--food .feature-card__media { box-shadow: 0 8px 18px rgba(20, 70, 120, 0.18); }
.feature-card__media img {
  width: 100%;
  display: block;
  border-radius: 14px;
}

.feature-card__body { min-width: 0; }

.feature-card__tag {
  font-size: clamp(12px, 1.2vw, 13px);
  font-weight: 900;
}
.use-card--outdoor .feature-card__tag { color: #D2691A; }
.use-card--food .feature-card__tag { color: #1487C9; }

.feature-card__title {
  margin: 4px 0 0;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.5;
  font-weight: 900;
}

.feature-card__desc {
  margin: 8px 0 0;
  font-size: clamp(14px, 1.4vw, 16px);
  line-height: 1.8;
}
.use-card--outdoor .feature-card__desc { color: #6B5A48; }
.use-card--food .feature-card__desc { color: #52606C; }

.industry-label {
  margin-top: 8px;
  font-size: clamp(14px, 1.4vw, 16px);
  font-weight: 900;
}
.use-card--outdoor .industry-label { color: #D2691A; }
.use-card--food .industry-label { color: #1487C9; }

.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  grid-template-rows: auto auto auto auto;
  gap: 14px;
}

.industry-card {
  background: #fff;
  border-radius: 14px;
  padding: 18px;
  display: grid;
  grid-template-rows: subgrid;
  grid-row: span 4;
  row-gap: 10px;
}
.use-card--outdoor .industry-card { border: 1px solid #F0E2D2; }
.use-card--food .industry-card { border: 1px solid #DCEAF4; }

.industry-card__name {
  align-self: start;
  justify-self: start;
  display: inline-block;
  color: #fff;
  font-size: clamp(13px, 1.3vw, 15px);
  font-weight: 900;
  padding: 4px 14px;
  border-radius: 999px;
}
.use-card--outdoor .industry-card__name { background: #F08800; }
.use-card--food .industry-card__name { background: #20A8F0; }

.industry-card__block { align-self: start; }

.industry-card__block-title {
  font-size: clamp(11px, 1.1vw, 13px);
  font-weight: 900;
}
.industry-card__block-title--risk { color: #E0532B; }
.industry-card__block-title--use { color: #1487C9; }
.industry-card__block-title--effect { color: #2E9E5B; }

.industry-card__list {
  margin: 4px 0 0;
  padding-left: 17px;
  font-size: clamp(12.5px, 1.25vw, 14px);
  line-height: 1.7;
}
.use-card--outdoor .industry-card__list { color: #5A4A3A; }
.use-card--food .industry-card__list { color: #42596C; }

/* ==========================================================================
   corporate contract
   ========================================================================== */
.contract {
  background: #F4FAFE;
  padding: clamp(44px, 5vw, 84px) clamp(20px, 4vw, 48px);
}

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

.contract__header { text-align: center; }
.contract__header .section-title { margin: 0; }

.contract__card {
  margin-top: 28px;
  border: 1px solid #DCEAF4;
  border-radius: 18px;
  padding: clamp(24px, 3vw, 34px);
  background: #fff;
}

.contract__desc {
  margin: 0 0 18px;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: #42596C;
}

.contract__note {
  font-size: clamp(12px, 1.2vw, 13px);
  color: #7587A0;
}

.contract__flow-label {
  font-size: 15px;
  font-weight: 900;
  color: #1487C9;
  margin-bottom: 12px;
}

.contract__flow-list {
  margin: 0;
  padding-left: 20px;
  font-size: clamp(14px, 1.4vw, 16px);
  line-height: 1.9;
  color: #42596C;
}

.btn-contract {
  margin-top: 22px;
  display: block;
  text-align: center;
  background: #20A8F0;
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  font-weight: 700;
  padding: 15px;
  border-radius: 999px;
}
.btn-contract:hover { color: #fff; }

/* ==========================================================================
   final cta
   ========================================================================== */
.final-cta {
  background: linear-gradient(180deg, #EAF6FE 0%, #D5EDFC 100%);
  padding: clamp(44px, 5vw, 80px) clamp(20px, 4vw, 48px);
  text-align: center;
}

.final-cta__tagline-img {
  width: 320px;
  max-width: 85%;
  height: auto;
  display: block;
  margin: 0 auto 14px;
}

.final-cta .badge-trial { margin-bottom: 22px; }

.final-cta__actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.final-cta__actions .btn-download {
  font-size: 18px;
  padding: 17px 36px;
  box-shadow: 0 14px 28px rgba(32, 168, 240, 0.34);
}

.final-cta__note {
  margin: 14px 0 0;
  font-size: clamp(13px, 1.3vw, 14px);
  color: #5E7B92;
  font-weight: 700;
}

.final-cta__contact-link {
  margin-top: 20px;
  display: inline-block;
  color: #1487C9;
  font-size: 13px;
  font-weight: 700;
  text-decoration: underline;
}

/* ==========================================================================
   footer
   ========================================================================== */
.footer {
  background: #EEF3F7;
  padding: 28px 24px;
  text-align: center;
  border-top: 1px solid #DCE6EE;
}

.footer__link {
  display: inline-block;
  margin-bottom: 14px;
  color: #1487C9;
  font-size: 13px;
  font-weight: 700;
  text-decoration: underline;
}

.footer__copyright {
  margin: 0;
  font-size: 11px;
  color: #7C8A94;
  line-height: 1.7;
}

/* ==========================================================================
   responsive
   ========================================================================== */
@media (max-width: 640px) {
  .sp-br { display: none; }
  .mobile-br { display: inline; }

  .hero__inner { flex-direction: column; align-items: stretch; }

  .hero__badge {
    display: flex;
    width: 100%;
    padding: 14px 20px;
  }
  .hero__badge-text { font-size: 12px; }

  .hero__actions { align-items: center; }
  .hero__store-text { padding-left: 0; text-align: center; }

  .qr-box { display: none; }
}

@media (min-width: 641px) and (max-width: 1024px) {
  .hero__title {
    white-space: normal;
    font-size: clamp(26px, 4vw, 40px);
  }
}

@media (max-width: 480px) {
  .header { gap: 10px; }
  .header__logo { height: 32px; }
  .header__cta {
    font-size: 13px;
    padding: 10px 16px;
  }
}

/* 小さい端末では強制改行をやめ、自然な折り返しに任せる（「ら」が孤立して落ちるのを防ぐ） */
@media (max-width: 385px) {
  .mobile-br { display: none; }
}

/* モバイル・タブレットでは feature-row を content → media の順に表示し、media を中央揃えにする */
@media (max-width: 1024px) {
  .feature-row { justify-content: center; }
  .feature-row__content { order: 1; }
  .feature-row__media { order: 2; }
}