@charset "UTF-8";

/* ========================================
   CSS Variables
   ======================================== */
:root {
  --color-primary: #ff4900;
  --color-accent: #ff4900;
  --color-highlight: #ff6b4a;
  --color-yellow: #ffdf00;
  --color-yellow-light: #fff299;
  --color-black: #040000;
  --color-white: #ffffff;
  --color-primary-light: #ff6b33;
  --color-primary-dark: #e04200;
  --font-heading: 'M PLUS 2', sans-serif;
  --font-body: 'Noto Sans JP', sans-serif;
  --font-accent: 'Nunito Sans', sans-serif;
  --content-width: 1200px;
  --border-width: 8px;
  --border-color: var(--color-black);
}

/* ========================================
   Reset & Base
   ======================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1.6rem;
  line-height: 1.8;
  color: var(--color-black);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.sp-only {
  display: none;
}

@media (max-width: 768px) {
  .sp-only {
    display: inline;
  }
}

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

ul, ol {
  list-style: none;
}

/* ========================================
   Utility
   ======================================== */
.inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 40px;
}

/* ========================================
   1. Header
   ======================================== */
.header {
  background: var(--color-white);
  height: 76px;
  display: flex;
  align-items: center;
  padding: 0 40px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo img {
  height: 48px;
  width: auto;
}

.header__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.8rem;
  letter-spacing: 1px;
  padding: 12px 16px 12px 28px;
  border-radius: 999px;
  border: none;
  transition: opacity 0.3s;
}

.header__cta:hover {
  opacity: 0.85;
}

.header__cta img {
  width: 28px;
  height: 28px;
}

/* ========================================
   2. KV (Key Visual)
   ======================================== */
.kv {
  width: 100%;
  overflow: hidden;
  background: #fb0000;
}

.kv__sp {
  display: none;
}

.kv__pc {
  width: 100%;
  max-width: 1980px;
  margin: 0 auto;
}

.kv__pc img {
  width: 100%;
  height: auto;
  display: block;
}

/* ========================================
   3. Concept Section
   ======================================== */
.concept {
  padding: 80px 0 40px;
  text-align: center;
}

.concept__box {
  max-width: 1000px;
  margin: 0 auto;
  border: 12px solid var(--color-black);
  background: var(--color-white);
  padding: 60px 40px;
}

.concept__content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.concept__text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
  flex: 1;
  min-width: 0;
}

.concept__heading {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 3.6rem;
  line-height: 1.8;
  color: var(--color-black);
  letter-spacing: 1px;
  text-align: center;
}

.concept__br {
  display: none;
}

.concept__underline {
  background: linear-gradient(to top, #ffaaaa 24px, transparent 24px);
  display: inline;
}

.concept__character {
  display: flex;
  justify-content: center;
}

.concept__character--pc {
  display: flex;
  margin-left: -40px;
}

.concept__character--pc img {
  width: 100%;
  max-width: 300px;
  height: auto;
}

.concept__character--sp {
  display: none;
}

.concept__cta {
  display: flex;
  justify-content: center;
}

.concept__cta .btn-cta {
  font-size: 2.4rem;
  padding: 16px 24px 16px 36px;
  gap: 10px;
}

.concept__cta .btn-cta img {
  width: 26px;
  height: 26px;
}

/* ========================================
   CTA Button (shared)
   ======================================== */
.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 4.0rem;
  padding: 24px 32px 24px 56px;
  border-radius: 999px;
  border: none;
  letter-spacing: 2px;
  transition: opacity 0.3s;
}

.btn-cta:hover {
  opacity: 0.85;
}

.btn-cta img {
  width: 40px;
  height: 40px;
  margin-top: 2px;
}

/* ========================================
   3b. Campaign Banner
   ======================================== */
.campaign-banner {
  padding: 0;
  background: var(--color-white);
  text-align: center;
}

.campaign-banner__inner {
  max-width: 600px;
  margin: 0 auto;
  padding: 0;
}

.campaign-banner__inner img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* ========================================
   4. About Section (チムニーモバイルとは)
   ======================================== */
.about {
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.about__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
}

.about__watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 320px;
  opacity: 0.8;
  pointer-events: none;
  z-index: 0;
}

.about__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 4.3rem;
  line-height: 1.8;
  margin-bottom: 48px;
}

.about__text {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 2.8rem;
  line-height: 2.0;
  margin-bottom: 24px;
  text-align: center;
}

.about__text--large {
  font-size: 2.8rem;
}

.about__underline {
  text-decoration: underline;
  text-decoration-color: var(--color-black);
  text-underline-offset: 4px;
}

.about__note {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-black);
  line-height: 2.0;
}

/* ========================================
   5. Points Section (選ばれる理由)
   ======================================== */
.points {
  padding: 40px 0 80px;
  background: var(--color-white);
}

.points__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 40px;
}

.points__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 4.8rem;
  line-height: 1.8;
  text-align: center;
  color: var(--color-black);
  margin-bottom: 40px;
}

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

.points__card {
  border: 5px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  background: var(--color-white);
  display: flex;
  flex-direction: column;
}

.points__card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  background: #fb0000;
}

.points__card-num {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.points__card-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2.4rem;
  line-height: 1.2;
  color: var(--color-white);
}

.points__card-body {
  padding: 16px 24px 32px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.8rem;
  line-height: 1.8;
  color: var(--color-black);
}

.points__card-note {
  font-size: 1.2rem;
}

/* ========================================
   5b. Special Section (キャンペーンエリア)
   ======================================== */
.special {
  padding: 40px 0;
  background: var(--color-white);
}

.special__sp-image {
  display: none;
}

.special__sp-image img {
  width: 100%;
  height: auto;
}

.special__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  gap: 64px;
}

.special__visual {
  flex-shrink: 0;
  width: 500px;
}

.special__visual img {
  width: 100%;
  height: auto;
}

.special__text {
  flex: 1;
}

.special__period {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.8rem;
  line-height: 1.4;
  color: var(--color-black);
  text-align: right;
  margin-bottom: 16px;
}

.special__period-date {
  font-size: 1.8rem;
  line-height: 1.6;
}

.special__heading {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 3.4rem;
  line-height: 1.6;
  color: var(--color-black);
  margin-bottom: 16px;
}

.special__sub {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 2.4rem;
  line-height: 1.6;
  color: var(--color-black);
  margin-bottom: 16px;
}

.special__note {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.9rem;
  line-height: 1.6;
  color: var(--color-black);
}

/* ========================================
   6. Pricing Section (料金プラン)
   ======================================== */
.pricing {
  background: #fb0000;
  padding: 48px 0 80px;
}

.pricing__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 40px;
}

.pricing__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 4.8rem;
  color: var(--color-white);
  text-align: center;
  margin-bottom: 20px;
}

/* Plan Card */
.plan-card {
  border: var(--border-width) solid var(--border-color);
  border-radius: 32px;
  overflow: hidden;
  background: var(--color-white);
}

/* Plan Label (outside card, on red background) */
.plan-label {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2.8rem;
  color: var(--color-white);
}

.plan-label__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-white);
  border-radius: 50%;
  flex-shrink: 0;
}

.plan-label__icon img {
  width: 28px;
  height: 28px;
}

/* Plan Table (SIM) */
.plan-table__header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--color-black);
  padding: 16px 24px;
}

.plan-table__header span {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 2.8rem;
  color: var(--color-white);
  text-align: center;
}

.plan-table__body {
  padding: 0;
}

.plan-table__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 24px;
  border-bottom: 2px solid #e0e0e0;
}

.plan-table__row:last-child {
  border-bottom: none;
}

.plan-table__capacity {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 4.0rem;
  color: var(--color-black);
  text-align: center;
}

.plan-table__price-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  text-align: center;
}

.plan-table__price-old {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2.0rem;
  color: var(--color-black);
}

.plan-table__price-new {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 4.0rem;
  color: var(--color-black);
}

.plan-table__tax {
  font-weight: 400;
  font-size: 1.4rem;
  color: #666;
  width: 100%;
  text-align: center;
}

/* Plan Notes (その他) */
.plan-notes {
  background: var(--color-black);
  padding: 24px;
}

.plan-notes__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.6rem;
  border: 2px solid var(--color-black);
  color: var(--color-black);
  background: var(--color-white);
  display: inline-block;
  padding: 4px 16px;
  margin-bottom: 16px;
}

.plan-notes__content {
  font-family: var(--font-body);
  font-size: 1.4rem;
  line-height: 1.8;
  color: var(--color-white);
}

.plan-notes__content p {
  margin-bottom: 12px;
}

.plan-notes__content p:last-child {
  margin-bottom: 0;
}

/* Wi-Fi Plan Card */

.wifi-plan__header {
  background: var(--color-black);
  padding: 16px 24px;
  text-align: center;
}

.wifi-plan__header span {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2.8rem;
  color: var(--color-white);
  letter-spacing: 4px;
}

.wifi-plan__content {
  padding: 32px 24px;
  text-align: center;
  background: var(--color-white);
  color: var(--color-black);
}

.wifi-plan__area {
  margin-bottom: 24px;
}

.wifi-plan__area-label {
  font-family: var(--font-body);
  font-size: 2.0rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-black);
}

.wifi-plan__carriers {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.wifi-plan__carrier {
  display: inline-block;
  padding: 4px 12px;
  border: 2px solid var(--color-black);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 2.0rem;
  color: var(--color-black);
  font-weight: 600;
}

.wifi-plan__price-block {
  margin-bottom: 24px;
  text-align: center;
}

.wifi-plan__price-old {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2.0rem;
  color: var(--color-black);
}

.wifi-plan__price-new {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 4.0rem;
  color: var(--color-black);
}

.wifi-plan__tax {
  font-weight: 400;
  font-size: 1.4rem;
  color: #666;
  display: block;
}

.wifi-plan__rental {
  display: inline-block;
  padding: 0.3rem 1.6rem 0.8rem;
  border: 3px solid var(--color-black);
  border-radius: 1.6rem;
  background: #FFAAAA;
  color: var(--color-black);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.6rem;
}

.wifi-plan__rental-price {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-black);
}

/* Wi-Fi Notes */
.wifi-notes {
  background: var(--color-black);
  padding: 24px;
}

.wifi-notes__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.6rem;
  border: 2px solid var(--color-black);
  color: var(--color-black);
  background: var(--color-white);
  display: inline-block;
  padding: 4px 16px;
  margin-bottom: 16px;
}

.wifi-notes__content {
  font-family: var(--font-body);
  font-size: 1.4rem;
  line-height: 1.8;
  color: var(--color-white);
}

.wifi-notes__content p {
  margin-bottom: 12px;
}

.wifi-notes__content p:last-child {
  margin-bottom: 0;
}

/* Comparison Table */
.comparison {
  margin-top: 48px;
  text-align: center;
}

.comparison__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 4.8rem;
  color: var(--color-white);
  margin-bottom: 24px;
}

.comparison__image {
  width: 100%;
  max-width: 900px;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* ========================================
   7. Apply Section (手続きはWEBで完了)
   ======================================== */
.apply {
  padding: 80px 0;
  text-align: center;
}

.apply__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 40px;
}

.apply__heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 7.5rem;
  line-height: 1.3;
  letter-spacing: 10px;
  margin-bottom: 80px;
}

.apply__heading-text {
  background: linear-gradient(to top, var(--color-highlight) 24px, transparent 24px);
  display: inline;
}

.apply__layout {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}

.apply__box-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 64px;
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 1;
}

.apply__box {
  background: var(--color-white);
  border: 8px solid var(--color-black);
  border-radius: 32px;
  padding: 48px 64px;
  text-align: center;
  position: relative;
  width: 100%;
}

.apply__box-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 4.0rem;
  color: var(--color-black);
  margin-bottom: 16px;
}

.apply__box-desc {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 3.2rem;
  line-height: 2.0;
  color: var(--color-black);
}

.apply__pointer {
  position: absolute;
  bottom: -28px;
  left: 50%;
  transform: translateX(-50%);
  width: 54px;
  height: auto;
}

.apply__cta {
  margin-top: 8px;
}

.apply__image {
  flex-shrink: 0;
  width: 350px;
  margin-left: -120px;
  position: relative;
  z-index: 2;
}

.apply__image img {
  width: 100%;
  height: auto;
}

/* ========================================
   8. FAQ Section
   ======================================== */
.faq {
  padding: 40px 0 80px;
}

.faq__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 40px;
}

.faq__container {
  border: var(--border-width) solid var(--border-color);
  border-radius: 32px;
  overflow: hidden;
  padding: 40px 32px;
}

.faq__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 4.8rem;
  text-align: center;
  letter-spacing: 10px;
  margin-bottom: 32px;
}

/* FAQ Item */
.faq-item {
  margin-bottom: 36px;
  padding-left: 26px;
}

.faq-item details {
  border: none;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  position: relative;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item__question {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--color-white);
  border: 3px solid var(--color-black);
  border-radius: 16px;
  padding: 24px 20px 24px 40px;
  position: relative;
  z-index: 2;
}

.faq-item__badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 3px solid var(--color-black);
  font-family: var(--font-accent);
  font-weight: 900;
  font-size: 2.0rem;
  flex-shrink: 0;
  position: absolute;
  left: -26px;
  top: 50%;
  transform: translateY(-50%);
}

.faq-item__badge--q {
  background: #fb0000;
  color: var(--color-black);
}

.faq-item__badge--a {
  background: var(--color-yellow);
  color: var(--color-black);
}

.faq-item__text {
  flex: 1;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 2.4rem;
  line-height: 1.6;
}

.faq-item__icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  order: -1;
}

.faq-item__toggle {
  width: 40px;
  height: 40px;
  background: var(--color-black);
  border: 3px solid var(--color-black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  transition: background 0.3s;
}

.faq-item__toggle img {
  width: 20px;
  height: 20px;
  filter: invert(1);
  transform: rotate(180deg);
  transition: transform 0.3s, filter 0.3s;
}

.faq-item details[open] .faq-item__toggle {
  background: var(--color-yellow);
}

.faq-item details[open] .faq-item__toggle img {
  transform: rotate(0deg);
  filter: none;
}

/* FAQ Answer */
.faq-item__answer {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--color-yellow-light);
  border: 3px solid var(--color-black);
  border-radius: 0 0 16px 16px;
  padding: 36px 20px 20px 48px;
  margin-left: 44px;
  margin-top: -16px;
  position: relative;
  z-index: 1;
}

.faq-item__answer .faq-item__badge {
  width: 44px;
  height: 44px;
  font-size: 1.8rem;
  left: -22px;
  top: 20px;
  transform: none;
}

.faq-item__answer-text {
  flex: 1;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 2.4rem;
  line-height: 1.8;
}

.faq-item__answer-text a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-weight: 700;
}

/* FAQ Support */
.faq__support {
  background: #fb0000;
  border-radius: 16px;
  padding: 20px 32px;
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.faq__support-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 3.0rem; /* was 2.4rem */
  color: var(--color-white);
  letter-spacing: 2.5px;
  text-align: center;
}

.faq__support-desc {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 2.0rem;
  line-height: 1.8;
  color: var(--color-black);
  text-align: center;
}

.faq__support-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}

.faq__support-card {
  background: var(--color-white);
  border-radius: 7px;
  padding: 12px 20px;
  text-decoration: none;
  color: var(--color-black);
}

a.faq__support-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq__support-card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq__support-card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2.0rem;
  line-height: 1.4;
}

.faq__support-card-text {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.6rem; /* was 1.2rem */
  line-height: 1.6;
}

.faq__support-card-arrow {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

/* ========================================
   9. Final CTA Section
   ======================================== */
.final-cta {
  padding: 60px 0 80px;
  text-align: center;
}

.final-cta__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 80px;
}

.final-cta__title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 4.8rem;
  line-height: 1.8;
  letter-spacing: 1px;
  text-align: center;
}

.final-cta__title-highlight {
  display: inline;
  background: linear-gradient(to top, var(--color-highlight) 24px, transparent 24px);
  padding-bottom: 2px;
}

.final-cta__notes {
  margin-top: 40px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.4rem;
  line-height: 1.6;
  color: var(--color-black);
  text-align: left;
  align-self: stretch;
}

/* ========================================
   Fixed CTA (mobile only)
   ======================================== */
.fixed-cta {
  display: none;
}

@media (max-width: 768px) {
  .fixed-cta {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
  }

  .fixed-cta__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    background: var(--color-black);
    color: var(--color-white);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 2.0rem;
    padding: 14px 24px;
    border-radius: 999px;
    letter-spacing: 2px;
  }

  .fixed-cta__btn img {
    width: 24px;
    height: 24px;
  }

  .footer {
    padding-bottom: 80px;
  }
}

/* ========================================
   10. Footer
   ======================================== */
.footer {
  background: #fb0000;
  border-top: 4px solid var(--color-black);
  padding: 48px 0 24px;
  text-align: center;
}

.footer__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

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

.footer__logo-main {
  display: block;
}

.footer__logo-main img {
  display: block;
  height: 78px;
  width: auto;
}

.footer__logo-powered {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer__powered {
  font-family: var(--font-accent);
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--color-black);
}

.footer__logo-sub img {
  height: 45px;
  width: auto;
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 12px;
  padding: 8px 0;
}

.footer__link {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.4rem;
  color: #231f1f;
  text-decoration: none;
}

.footer__copyright {
  font-family: var(--font-body);
  font-weight: 350;
  font-size: 1.2rem;
  color: var(--color-black);
  padding-bottom: 12px;
}

/* ========================================
   Responsive: Tablet (max-width: 1024px)
   ======================================== */
@media (max-width: 1024px) {
  .concept__heading {
    font-size: 3.6rem;
  }

  .concept__underline {
    background: linear-gradient(to top, #ffaaaa 18px, transparent 18px);
  }

  .concept__box {
    margin: 0 40px;
  }

  .about__title {
    font-size: 3.4rem;
  }

  .apply__heading {
    font-size: 5.0rem;
  }

  .apply__image {
    width: 280px;
    margin-left: -60px;
  }

  .apply__heading-text {
    background: linear-gradient(to top, var(--color-highlight) 18px, transparent 18px);
  }

  .plan-table__header span {
    font-size: 2.0rem;
  }

  .plan-table__capacity {
    font-size: 2.0rem;
  }

  .plan-table__price-old {
    font-size: 1.6rem;
  }

  .plan-table__price-new {
    font-size: 2.0rem;
  }

  .plan-table__tax {
    font-size: 1.4rem;
  }

  .wifi-plan__header span {
    font-size: 2.0rem;
  }

  .wifi-plan__area-label {
    font-size: 1.6rem;
  }

  .wifi-plan__carrier {
    font-size: 1.4rem;
  }

  .wifi-plan__price-new {
    font-size: 2.0rem;
  }

  .wifi-plan__price-old {
    font-size: 1.6rem;
  }

  .wifi-plan__tax {
    font-size: 1.4rem;
  }
}

/* ========================================
   Responsive: Mobile (max-width: 768px)
   ======================================== */
@media (max-width: 768px) {
  :root {
    --border-width: 5px;
  }

  .inner {
    padding: 0 20px;
  }

  .header {
    display: none;
  }

  .kv {
    background: #fb0000;
    margin-bottom: 0;
  }

  .kv__pc {
    display: none;
  }

  .kv__sp {
    display: block;
  }

  .kv__sp img {
    width: 100%;
    max-width: none;
    height: auto;
    margin: 0 auto;
    display: block;
  }

  .concept {
    padding: 0 16px 56px;
    background: #fb0000;
  }

  .concept__box {
    margin: 0;
    padding: 32px 20px 40px;
    border-width: 6px;
  }

  .concept__content {
    flex-direction: column;
    gap: 32px;
  }

  .concept__character--pc {
    display: none;
  }

  .concept__character--sp {
    display: none;
  }

  .concept__cta {
    display: none;
  }

  .final-cta .btn-cta {
    display: none;
  }

  .final-cta__inner {
    gap: 24px;
  }

  .concept__heading {
    font-size: 2.8rem; /* was 3.2rem */
  }

  .concept__br {
    display: inline;
  }

  .concept__underline {
    background: linear-gradient(to top, #ffaaaa 16px, transparent 16px);
  }

  .campaign-banner__inner {
    max-width: 100%;
  }

  .about__title {
    font-size: 2.8rem;
  }

  .about__text {
    font-size: 2.0rem;
    text-align: center;
  }

  .about__text--large {
    font-size: 2.4rem;
  }

  .about__note {
    font-size: 1.4rem;
  }

  .points__title {
    font-size: 2.8rem;
    margin-bottom: 24px;
  }

  .points__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .about {
    padding: 80px 0 50px;
  }

  .about__watermark {
    width: 280px;
  }

  .points {
    padding: 32px 0;
  }

  .special {
    padding: 24px 0;
  }

  .special__sp-image {
    display: block;
    text-align: center;
    padding: 0 20px;
  }

  .special__visual,
  .special__text {
    display: none;
  }

  .special__inner {
    flex-direction: column;
    gap: 0;
    padding: 0;
  }

  .pricing {
    padding: 56px 0 64px;
  }

  .pricing__inner {
    padding: 0 8px;
  }

  .pricing__title {
    font-size: 2.8rem; /* was 3.2rem */
  }

  .plan-label {
    font-size: 2.4rem; /* was 2.2rem */
    padding: 12px 8px;
  }

  .plan-table__header span {
    font-size: 2.0rem;
  }

  .plan-table__row {
    display: flex;
    justify-content: space-between;
  }

  .plan-table__capacity {
    font-size: 3.0rem; /* was 3.2rem */
    text-align: left;
  }

  .plan-table__price-wrap {
    flex-direction: column;
    align-items: flex-end;
    text-align: right;
    gap: 0;
  }

  .plan-table__price-old {
    font-size: 2.4rem; /* was 1.8rem */
    align-self: flex-start;
  }

  .plan-table__price-new {
    font-size: 3.5rem; /* was 3.2rem */
  }

  .plan-table__tax {
    font-size: 1.4rem; /* was 1.2rem */
    text-align: right;
    width: auto;
  }

  .plan-table__row {
    padding: 16px 20px;
  }

  .wifi-plan__header span {
    font-size: 2.0rem;
  }

  .wifi-plan__area-label {
    font-size: 1.6rem; /* was 1.8rem */
  }

  .wifi-plan__carrier {
    font-size: 1.4rem;
  }

  .wifi-plan__price-new {
    font-size: 3.0rem; /* was 3.2rem */
  }

  .wifi-plan__price-old {
    font-size: 2.4rem; /* was 1.8rem */
  }

  .wifi-plan__tax {
    font-size: 1.6rem; /* was 1.2rem */
  }

  .apply {
    padding: 40px 0;
  }

  .apply__inner {
    padding: 0 20px;
  }

  .apply__heading {
    font-size: 2.8rem; /* was 3.0rem */
    letter-spacing: 3px;
    margin-bottom: 40px;
  }

  .apply__heading-text {
    background: linear-gradient(to top, var(--color-highlight) 16px, transparent 16px);
  }

  .apply__layout {
    flex-direction: column;
    align-items: center;
  }

  .apply__image {
    width: 200px;
    margin-left: 0;
    margin-bottom: -40px;
    order: -1;
    position: relative;
    z-index: 2;
  }

  .apply__box {
    border-width: 5px;
    padding: 32px 24px;
  }

  .apply__box-title {
    font-size: 2.4rem;
  }

  .apply__box-desc {
    font-size: 1.8rem;
  }

  .apply__box-wrap {
    gap: 40px;
  }

  .faq {
    padding: 20px 0 40px;
  }

  .faq__inner {
    padding: 0 20px;
  }

  .faq__container {
    padding: 24px 16px;
    border-radius: 24px;
  }

  .faq__title {
    font-size: 2.8rem; /* was 3.2rem */
  }

  .faq-item {
    padding-left: 20px;
  }

  .faq-item__question {
    padding: 12px 16px 12px 32px;
  }

  .faq-item__answer {
    padding: 28px 16px 16px 36px;
    margin-left: 32px;
  }

  .faq-item__badge {
    width: 40px;
    height: 40px;
    font-size: 1.6rem;
    left: -20px;
  }

  .faq-item__answer .faq-item__badge {
    width: 34px;
    height: 34px;
    font-size: 1.4rem;
    left: -17px;
  }

  .faq-item__toggle {
    width: 36px;
    height: 36px;
    bottom: -18px;
  }

  .faq-item__text {
    font-size: 1.6rem;
  }

  .faq-item__answer-text {
    font-size: 1.6rem;
  }

  .faq-item__icon {
    width: 28px;
    height: 28px;
  }

  .faq-item__toggle {
    width: 32px;
    height: 32px;
  }

  .faq-item__toggle img {
    width: 22px;
    height: 22px;
  }

  .final-cta {
    padding: 40px 0 60px;
  }

  .faq__support-title {
    font-size: 2.8rem; /* was 1.8rem */
  }

  .faq__support-desc {
    font-size: 1.8rem; /* was 1.2rem */
  }

  .faq__support-card-title {
    font-size: 1.6rem; /* was 1.2rem */
  }

  .faq__support-card-text {
    font-size: 1.4rem; /* was 0.8rem */
  }

  .final-cta__title {
    font-size: 2.8rem; /* was 3.2rem */
  }

  .plan-notes__title {
    font-size: 1.4rem; /* was 1.6rem (PC) */
  }

  .plan-notes__content {
    font-size: 1.2rem;
  }

  .wifi-notes__title {
    font-size: 1.4rem; /* was 1.6rem (PC) */
  }

  .wifi-notes__content {
    font-size: 1.2rem;
  }

  .comparison__title {
    font-size: 2.8rem;
  }

  .final-cta__notes {
    font-size: 1.2rem;
  }

  .final-cta__title-highlight {
    background: linear-gradient(to top, var(--color-highlight) 16px, transparent 16px);
  }

  .btn-cta {
    font-size: 2.4rem;
    padding: 16px 24px 16px 36px;
    gap: 10px;
  }

  .btn-cta img {
    width: 26px;
    height: 26px;
  }

  .footer {
    padding: 32px 0;
  }

  .footer__inner {
    padding: 0 20px;
    align-items: flex-start;
    gap: 48px;
  }

  .footer__logos {
    flex-direction: column;
    gap: 16px;
    width: 100%;
  }

  .footer__links {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    width: 100%;
  }

  .footer__link {
    font-size: 1.3rem;
  }

  .footer__copyright {
    text-align: center;
    width: 100%;
    padding-bottom: 24px;
  }
}

/* ========================================
   Responsive: Small (max-width: 400px)
   ======================================== */
@media (max-width: 400px) {
  .concept__box {
    border-width: 6px;
    padding: 32px 16px;
    gap: 32px;
  }

  .concept__heading {
    font-size: 2.4rem; /* was 2.8rem */
  }

  .concept__underline {
    background: linear-gradient(to top, #ffaaaa 14px, transparent 14px);
  }

  .about__title {
    font-size: 2.4rem;
  }

  .about__text {
    font-size: 1.8rem;
  }

  .pricing__title {
    font-size: 2.8rem;
  }

  .plan-table__header span {
    font-size: 2.0rem;
  }

  .plan-table__capacity {
    font-size: 2.4rem;
  }

  .plan-table__price-old {
    font-size: 1.6rem;
  }

  .plan-table__price-new {
    font-size: 2.4rem;
  }

  .plan-table__tax {
    font-size: 1.0rem;
  }

  .wifi-plan__header span {
    font-size: 2.0rem;
  }

  .wifi-plan__area-label {
    font-size: 1.6rem;
  }

  .wifi-plan__carrier {
    font-size: 1.2rem;
  }

  .wifi-plan__price-new {
    font-size: 2.4rem;
  }

  .wifi-plan__price-old {
    font-size: 1.6rem;
  }

  .wifi-plan__tax {
    font-size: 1.0rem;
  }

  .apply__heading {
    font-size: 2.4rem; /* was 2.8rem */
    letter-spacing: 3px;
  }

  .apply__heading-text {
    background: linear-gradient(to top, var(--color-highlight) 14px, transparent 14px);
  }

  .apply__box-title {
    font-size: 2.0rem;
  }

  .apply__box-desc {
    font-size: 1.6rem;
  }

  .apply__image {
    width: 160px;
  }

  .header__logo img {
    height: 24px;
  }

  .header__cta {
    font-size: 1.2rem;
    padding: 8px 12px 8px 16px;
  }

  .header__cta img {
    width: 18px;
    height: 18px;
  }

  .faq__title {
    font-size: 2.4rem; /* was 2.8rem */
  }

  .faq-item__text {
    font-size: 1.4rem;
  }

  .faq-item__answer-text {
    font-size: 1.4rem;
  }

  .faq-item__answer {
    margin-left: 24px;
  }

  .final-cta__title {
    font-size: 2.2rem; /* was 2.4rem */
  }

  .final-cta__title-highlight {
    background: linear-gradient(to top, var(--color-highlight) 14px, transparent 14px);
  }

  .btn-cta {
    font-size: 2.0rem;
    padding: 14px 20px 14px 28px;
    gap: 8px;
  }

  .btn-cta img {
    width: 22px;
    height: 22px;
  }

  .footer__link {
    font-size: 1.2rem;
  }
}