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

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

body {
  font-family: -apple-system, "Helvetica Neue", "Hiragino Kaku Gothic ProN",
               "游ゴシック Medium", "メイリオ", meiryo, sans-serif;
  font-size: 1.6rem;
  color: #333;
  line-height: 1.75;
  letter-spacing: -0.001em;
  -webkit-text-size-adjust: 100%;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

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

ul { list-style: none; }

/* ========================================
   CSS VARIABLES
======================================== */
:root {
  --color-primary:   #f55d60;  /* コーラルレッド */
  --color-accent:    #33c6cd;  /* ティール */
  --color-line:      #12AE1E;  /* LINE グリーン */
  --color-bg-light:  #ecf4f6;  /* ライトブルーグレー */
  --color-bg-blue:   #e7f4f9;  /* ライトブルー */
  --color-text:      #333333;
  --color-dark:      #303030;
  --color-white:     #ffffff;
  --width-inner:     1080px;
  --radius-card:     16px;
}

/* ========================================
   UTILITY
======================================== */
.inner {
  max-width: var(--width-inner);
  margin: 0 auto;
  padding: 0 20px;
}

/* プレースホルダー（画像未設定時のダミー表示） */
.img-placeholder {
  background: #d0e8ef;
  border-radius: 8px;
  display: block;
}

.form-placeholder {
  background: #f0f4f6;
  border: 2px dashed #aac;
  border-radius: 12px;
  padding: 60px 20px;
  text-align: center;
  color: #888;
  font-size: 1.4rem;
}

/* ========================================
   SCROLL ANIMATION
======================================== */
.scrollin {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.scrollin.fadeup {
  transform: translateY(30px);
}

.scrollin.fadein {
  transform: translateY(0);
}

.scrollin.is-visible {
  opacity: 1;
  transform: translateY(0) !important;
}

/* ========================================
   SECTION BASE
======================================== */
.section {
  padding: 80px 0;
}

.section-heading {
  text-align: center;
  margin-bottom: 50px;
}

.section-en {
  display: block;
  font-size: 3.2rem;
  font-style: italic;
  color:#97dadd;
  font-weight: bold;
  line-height: 1.2;
  margin-bottom: 4px;
  font-family: 'Sacramento', cursive;
}

.section-heading h2 {
  font-size: 2.8rem;
  font-weight: bold;
  color: var(--color-text);
  line-height: 1.4;
}

.section-heading h2 em {
  font-style: normal;
  color: var(--color-accent);
}

/* ========================================
   HEADER
======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #fff;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  height: 70px;
  gap: 20px;
}

.header-logo a {
  display: flex;
  align-items: center;
}

.logo-img {
  width: 150px;
  height: auto;
}

/* ロゴ画像がない場合のフォールバック */
.logo-img[src="images/logo.svg"] {
  display: none;
}

.header-logo::after {
  content: "BOOSTER";
  font-size: 1.4rem;
  font-weight: bold;
  color: #131313;
  white-space: nowrap;
}

.header-logo:has(.logo-img:not([src="images/logo.svg"]))::after {
  display: none;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
}

.header-nav ul {
  display: flex;
  gap: 24px;
}

.header-nav ul li a {
  font-size: 1.4rem;
  font-weight: bold;
  color: #131313;
  transition: color 0.2s;
}

.header-nav ul li a:hover {
  color: var(--color-primary);
}

.btn-header {
  display: inline-block;
  padding: 10px 22px;
  background: var(--color-primary);
  color: #fff !important;
  border-radius: 100px;
  font-size: 1.4rem;
  font-weight: bold;
  transition: opacity 0.2s;
  white-space: nowrap;
}

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

.header-menu-icon {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  margin-left: auto;
  padding: 8px;
}

.header-menu-icon span {
  display: block;
  width: 24px;
  height: 2px;
  background: #131313;
  border-radius: 2px;
  transition: 0.3s;
}

/* ========================================
   FIRST VIEW
======================================== */
.fv {
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-top: 70px;
  background: linear-gradient(135deg,
    #fde8e8 0%, #fce4c8 20%,
    #e8f4f8 50%, #d4eeea 75%,
    #e8e4f8 100%);
}


.fv-bg {
  background-image: url('images/fv-bg.jpg');
  background-size: cover;
  background-position: center;
  width:100%;
  margin:0 auto;
}

.fv-placeholder-bg.sp{
  display:none;
}

.fv-bg img{
  width:100%;
}



/* FV 浮き丸CTAボタン */
.fv-cta-circle {
  position: absolute;
  bottom: 20%;
  right: 30px;
  z-index: 10;
  width: clamp(120px, 16vw, 200px);
  height: clamp(120px, 16vw, 200px);
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: clamp(1.2rem, 1.6vw, 2rem);
  font-weight: bold;
  line-height: 1.3;
  box-shadow: 0 4px 16px rgba(245,93,96,0.4);
  transition: transform 0.2s, box-shadow 0.2s;
  animation: pulse 2s infinite;
}

.fv-cta-circle:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(245,93,96,0.5);
}

.fv-cta-small {
  font-size: 0.9em;
}

.fv-cta-text {
  font-size: 1.2em;
}

.fv-cta-arrow {
  font-size: 0.9rem;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ========================================
   WORRY セクション
======================================== */
.worry-section {
  background: #fff;
  padding-top: 60px;
}

.worry-grid {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.worry-item {
  text-align: center;
  flex: 1;
  min-width: 140px;
  max-width: 200px;
}

.worry-item p {
  font-size: 1.4rem;
  font-weight: bold;
  margin-top: 12px;
  color: var(--color-text);
}

/* ========================================
   REASON セクション
======================================== */
.reason-section {
  background: var(--color-bg-light);
  /* TODO: 背景画像設定後は下記を有効化
  background-image: url('images/reason-bg.png');
  background-size: cover;
  */
}

.reason-section .section-heading h2 em.en-num {
  font-size: 4rem;
  color: var(--color-accent);
}

.reason-card {
  display: flex;
  align-items: center;
  gap: 0;
  background: #fff;
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.reason-card-reverse {
  flex-direction: row-reverse;
}

.reason-imgbox {
  flex: 0 0 50%;
}

.reason-img {
  width: 100%;
  height: 280px;
  border-radius: 0;
  display: block;
  object-fit: cover;
}
.reason-img img{
  width: auto;
  height:100%;
  object-fit: cover;
}


.reason-textbox {
  flex: 1;
  padding: 40px 48px;
}

.reason-label {
    display: inline-block;
    font-size: 1.3rem;
    color: #888;
    margin-bottom: 8px;
    font-style: italic;
    border-bottom: 2px solid #888;
}
.reason-title {
  font-size: 2.2rem;
  font-weight: bold;
  color: var(--color-text);
  line-height: 1.5;
}

.reason-title em {
  font-style: normal;
  color: var(--color-primary);
}

/* ========================================
   CTA セクション
======================================== */
.cta-section {
  background: #fff;
}

.badge-list {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.badge-wrap {
  width: 190px;
  height: 160px;
  border-radius: 50%;
  background-image:url(images/fv_badge_02.png);
  background-repeat:no-repeat;
  background-size: contain;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px;
}

.badge-label {
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--color-text);
  line-height: 1.3;
}

.badge-value {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1.2;
}

.cta-buttons {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-col {
  text-align: center;
}

.cta-note {
  font-size: 1.4rem;
  font-weight: bold;
  margin-bottom: 10px;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 40px;
  border-radius: 100px;
  font-size: 1.6rem;
  font-weight: bold;
  color: #fff;
  min-width: 280px;
  transition: opacity 0.2s, transform 0.2s;
  animation: btnPulse 2s infinite;
}

.btn-cta:hover {
  opacity: 0.88;
  transform: scale(1.02);
}

.btn-line {
  background: var(--color-line);
}

.btn-tel {
  background: var(--color-primary);
}

@keyframes btnPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,93,96,0.3); }
  50% { box-shadow: 0 0 0 8px rgba(245,93,96,0); }
}

/* ========================================
   SOLUTION セクション
======================================== */
.solution-section {
  background: var(--color-bg-light);
}

.solution-section .section-heading h2 em {
  color: var(--color-accent);
}

.solution-body {
  display: flex;
  gap: 48px;
  align-items: flex-start;
}

.solution-imgbox {
  flex: 0 0 40%;
}

.solution-img {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-card);
  object-fit: cover;
}
.solution-imgbox img{
  width:100%;
  height:100%;
  object-fit: cover;
}

.solution-textbox {
  flex: 1;
  font-size: 1.6rem;
  line-height: 1.8;
}

.solution-textbox p {
  margin-bottom: 1.5em;
}

.solution-sign {
  text-align: right;
  font-weight: bold;
  font-size: 1.5rem;
}

/* ========================================
   VOICE セクション
======================================== */
.voice-section {
  background-image: linear-gradient(#7ae2f2, #e0f7f9);
}

.voice-section .section-en.voice-en { color: #fff; }

.voice-section .voice-h2 { color: #fff; }
.voice-section .voice-h2 em { color: #fff; }

.voice-card {
  display: flex;
  gap: 0;
  background: #fff;
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.voice-imgbox {
  flex: 0 0 220px;
}

.voice-img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
  border-radius: 0;
  display: block;
}
.voice-img  img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}


.voice-textbox {
  flex: 1;
  padding: 36px 40px;
}

.voice-title {
  font-size: 2rem;
  font-weight: bold;
  color: var(--color-dark);
  line-height: 1.4;
  margin-bottom: 16px;
}

.voice-hr {
  border: none;
  border-top: 2px solid #ddd;
  margin-bottom: 16px;
}

.voice-textbox p {
  font-size: 1.5rem;
  color: var(--color-dark);
  line-height: 1.8;
  margin-bottom: 0.8em;
}

.voice-attr {
  font-size: 1.4rem !important;
  color: var(--color-dark) !important;
}

/* ========================================
   FLOW セクション（6ステップ）
======================================== */
.flow-section {
  background: var(--color-bg-light);
}

.flow-section .section-heading h2 em { color: var(--color-accent); }

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

.flow-card {
  background: #fff;
  border-radius: var(--radius-card);
  overflow: hidden;
  padding: 24px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  text-align: center;
}

.flow-step-label {
  display: inline-block;
  font-size: 1.3rem;
  font-style: italic;
  color: var(--color-accent);
  font-weight: bold;
  margin-bottom: 8px;
}

.flow-title {
  font-size: 1.7rem;
  font-weight: bold;
  color: var(--color-accent);
  margin-bottom: 14px;
  line-height: 1.4;
}

.flow-imgbox {
  margin-bottom: 14px;
}

.flow-img {
  width: 100%;
  height: 160px;
  border-radius: 10px;
  object-fit: cover;
  display: block;
}

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


.flow-text {
  font-size: 1.4rem;
  color: var(--color-text);
  line-height: 1.7;
}

/* ========================================
   INFORMATION セクション
======================================== */
.info-section {
  background: #fff;
}

.info-section .section-heading h2 em { color: var(--color-accent); }

.info-body {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.info-map {
  flex: 0 0 50%;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.info-map iframe {
  display: block;
}

.info-table-wrap {
  flex: 1;
  width:100%;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1.5rem;
  border:1px solid #e0eaf0;
}

.info-table th,
.info-table td {
  padding: 14px 16px;
  border-bottom: 1px solid #e0eaf0;
  vertical-align: top;
  line-height: 1.7;
}

.info-table th {
  background: var(--color-bg-light);
  font-weight: bold;
  white-space: nowrap;
  width: 100px;
  color: var(--color-text);
}

.info-table td a {
  color: var(--color-primary);
}

/* ========================================
   CONTACT セクション
======================================== */
.contact-section {
  background: var(--color-bg-light);
}

.contact-section .section-heading h2 em { color: var(--color-accent); }

.contact-form {
    display: flex;
    flex-wrap: wrap;
}
.contact-form>dt {
    width: 100%;
    color: #333;
    font-weight: bold;
    font-size: 1.5rem;
    margin-top: 30px;
    align-items: center;
    line-height: 1;
}
.contact-form>dt span, .form_title>span {
    padding: 10px;
    font-weight: normal;
    color: var(--color-primary);
    font-weight: bold;
    padding: 2px 5px;
    margin-left: 5px;
    font-size: 1.3rem;
}
.contact-form>dd {
    width: 100%;
    padding: 20px 0;
    margin: 0;
    font-size: 1.5rem;
}
.contact-form>dd>input[type="text"], .contact-form>dd>input[type="email"] {
    width: 100%;
}
input {
    height: 50px;
    width: 100%;
}
.contact-form>dd>select {
    height: 50px;
    max-width:250px;
    width: 50%;
    font-size: 1.5rem;
}
textarea {
    width: 100%;
    height: 300px;
}
#botan, .submit_reset, #botan input[type="submit"] {
    position: relative;
    z-index: 10;
    pointer-events: auto;
    width: 100%;
    max-width:500px;
    cursor: pointer;
    text-align: center;
    margin: 0 auto;
}
input[type="submit"] {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
    background-color: var(--color-primary);
    border: none;
    cursor: pointer;
}
.submit_reset::after {
    content: "";
    position: absolute;
    top: 35%;
    right: 5%;
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
    border-left: 14px solid #fff;
    border-right: 0;
    z-index: 99999;
}
/* ========================================
   FOOTER
======================================== */
.footer {
  background: #1a2a35;
  color: #ccc;
  text-align: center;
  padding: 24px 20px;
}

.footer-copy {
  font-size: 1.3rem;
}

/* ========================================
   RESPONSIVE（スマートフォン対応）
======================================== */
@media (max-width: 768px) {

  html { font-size: 58%; }

  /* ヘッダー */
  .header-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    gap: 12px;
    align-items: flex-start;
  }

  .header-nav.is-open {
    display: flex;
  }

  .header-nav ul {
    flex-direction: column;
    gap: 12px;
  }

  .header-nav ul li a {
    font-size: 1.6rem;
  }

  .header-menu-icon {
    display: flex;
  }

  /* FV */
  .fv-content {
    flex-direction: column;
    padding: 60px 20px 100px;
    text-align: center;
  }

  .fv-title-main {
    font-size: 4rem;
  }

  .fv-title-sub {
    font-size: 1.6rem;
  }

  .fv-image {
    display: none;
  }

  .fv-placeholder-bg{
    display:none;
  }

  .fv-placeholder-bg.sp{
    display:block;
  }

  .fv-cta-circle {
    bottom: 20px;
    right: 16px;
    width: clamp(90px, 26vw, 130px);
    height: clamp(90px, 26vw, 130px);
  }
  .fv-cta-small {
    font-size: clamp(0.9rem, 2.2vw, 1.2rem);
  }

  .fv-cta-text {
    font-size: clamp(1.2rem, 2.8vw, 1.6rem);
  }

  /* セクション共通 */
  .section {
    padding: 60px 0;
  }

  .section-heading h2 {
    font-size: 2.2rem;
  }

  /* Worry */
  .worry-grid {
    gap: 20px;
  }

  .worry-item {
    min-width: 120px;
    max-width: 160px;
  }

  /* Reason */
  .reason-card,
  .reason-card-reverse {
    flex-direction: column;
  }

  .reason-imgbox { flex: none; width: 100%; }

  .reason-img { height: 200px; }

    .reason-img img { width:100%;height: 100%; }

  .reason-textbox {
    padding: 24px 20px;
    width:100%;
  }

  .reason-title {
    font-size: 1.8rem;
  }

  /* CTA */
  .badge-wrap {
    width: 130px;
    height: 110px;
  }

  .badge-value { font-size: 1.9rem; }

  .btn-cta {
    min-width: auto;
    width: 100%;
    padding: 14px 24px;
    font-size: 1.5rem;
  }

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

  .cta-col { width: 100%; max-width: 340px; }

  /* Solution */
  .solution-body {
    flex-direction: column;
  }

  .solution-imgbox { flex: none; width: 100%; }

  .solution-img { height: 250px; }
  .solution-img img { height: 100%;width:100%; }

  /* Voice */
  .voice-card {
    flex-direction: column;
  }

  .voice-imgbox {
    flex: none;
    width: 100%;
    height: 220px;
  }

  .voice-img { height: 220px; min-height: unset; }

  .voice-textbox { padding: 24px 20px; }

  .voice-title { font-size: 1.7rem; }

  /* Flow */
  .flow-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* Info */
  .info-body {
    flex-direction: column;
  }

  .info-map { flex: none; width: 100%; }

}

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

  .worry-item {
    max-width: 100%;
    min-width: unset;
  }
}



@media (min-width: 769px){
    input[name="郵便番号"]{
        width: 30% !important;
    }
}