* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --ease-in-out: cubic-bezier(0.445, 0.05, 0.55, 0.95);
}

body {
  font-family: Arial, sans-serif;
  background-color: #f5f5f5;
}

img {
  width: 100%;
}

.main-container {
  max-width: 750px;
  margin: 0 auto;
  background-color: #ffffff;
}
/*fix_btn*/
.btn-fix {
  display: flex;
  flex-direction: column;
  position: fixed;
  bottom: -1%;
  z-index: 9999;
  padding: 5% 5% 0% 5%;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 600px;
}

/*offer*/
.offer {
  position: relative;
}

.btn_line {
  position: absolute;
  bottom: 0;
  left: 3%;
  transform: translateX(-50%);
  width: 93%;
  height: auto;
  bottom: 34%;
}

.btn_form {
  position: absolute;
  bottom: 0;
  left: 6%;
  transform: translateX(-50%);
  width: 90%;
  height: auto;
  bottom: 59%;
}

/*fix-btn*/
.fix-btn-wrapper {
  position: fixed;
  z-index: 999;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  bottom: 0;
  padding: 0px 30px;
  transition: opacity 1s ease-in-out;
  left: 50%;
  transform: translateX(-50%);
}
.fix_btn {
  opacity: 0;
}
/*fv*/

.fv-img004 {
  position: relative;
}

.header {
  position: absolute;
  width: 40%;
  left: 3%;
  top: 2%;
}

.fv-text > p {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-style: normal;
  background-color: #ffffff;
  color: #40b894;
  padding: 1% 4%;
  text-align: left;
  font-weight: 700;
  margin-bottom: 2%;
  letter-spacing: 3px;
  display: inline-block;
  font-size: clamp(0px, 5vw, 2.5rem);
}

.top-group {
  position: absolute;
  width: 47%;
  left: 51%;
  top: 7%;
}

.fv-img005 {
  position: absolute;
  width: 13%;
  right: 6%;
  top: 18%;
}

.fv-img013 {
  position: absolute;
  width: 51%;
  left: 45%;
  top: 3%;
}

.fv-img014 {
  position: absolute;
  width: 87%;
  left: 6%;
  top: 41%;
}

.fv-img015 {
  position: absolute;
  width: 32%;
  left: 44%;
  top: 20%;
}
.fv-img017 {
  position: absolute;
  width: 94%;
  left: 0%;
  top: 56%;
}

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

.features {
  display: flex;
  flex-wrap: wrap;
  position: absolute;
  bottom: -8%;
  left: 3%;
  width: 92%;
}

.feature-item {
  width: 33%;
  text-align: center;
}

.feature-item img {
  width: 120%;
  height: auto;
  margin-left: -6%!important;
  margin-top: -18%!important;
}

.additional-info {
  padding: 20px;
  background-color: #fff;
  text-align: center;
  margin-top: 20px;
}

.additional-point,
.doctor-message {
  margin: 10% auto;
}
/*cta*/
.cta-section {
  position: relative;
  margin-top: 27%;
}

.cta-title {
  width: 100%;
  margin-top: -15%;
}

.cta-button {
  position: absolute;
  bottom: 0;
  left: 6%;
  transform: translateX(-50%);
  width: 90%;
  height: auto;
  bottom: 45%;
}

/*stresscheck*/

.stress-check-section {
  text-align: center;
  margin-bottom: 20px;
}

.stress-check-title {
  width: 100%;
  margin-bottom: 20px;
}

.stress-check-description {
  width: 90%;
  margin: 0 auto 7% auto;
}

.stress-check-illustration {
  width: 90%;
  margin: 0 auto -6% auto;
  z-index: 1;
  position: relative;
}

.stress-check-symptoms {
  width: 90%;
  margin: 0 auto 7% auto;
}

.stress-check-footer {
  width: 90%;
  margin: 0 auto 7% auto;
}

.stress-check-circles {
  display: flex;
  justify-content: space-between;
  width: 90%;
  margin: 0 auto;
}

.circle {
  width: 32%;
}

/*utsu*/

.depression-section {
  position: relative;
  text-align: center;
  padding: 4%;
}

.depression-circle {
  width: 80%;
  margin: 0 auto;
  display: block;
}

.depression-title {
  width: 90%;
  margin: 20px auto;
  display: block;
}

.depression-description {
  width: 100%;
  margin: 20px auto;
  display: block;
}

/*recheck*/

.symptom-icon {
  width: 30%;
  margin: 0 auto;
}

.mental-state-section {
  position: relative;
  text-align: center;
  height: 500px;
  padding: 4%;
}

.mental-illustration {
  width: 56%;
  position: relative;
  margin-bottom: 24%;
}

.mental-header,
.physical-header {
  width: 90%;
  margin: 0 auto;
}

.symptom {
  position: absolute;
  width: 50%;
  text-align: center;
}

.physical-symptom {
  position: absolute;
  width: 70%;
  text-align: center;
}

.symptom-1 {
  top: 75%;
  left: 8%;
}

.symptom-2 {
  top: 40%;
  left: 70%;
}

.symptom-3 {
  top: 90%;
  left: 62.5%;
}

.symptom-4 {
  top: 10%;
  left: 115%;
}

.symptom-5 {
  top: 72%;
  left: 116%;
}

.physical-state-section {
  position: relative;
  text-align: center;
  padding: 4%;
}

.physical-illustration {
  width: 45%;
  position: relative;
  top: 5%;
  left: 56%;
}

.physical-symptom-1 {
  top: 40%;
  left: -40%;
}

.physical-symptom-2 {
  top: 40%;
  right: 155%;
}

.physical-symptom-3 {
  top: -5%;
  right: 105%;
}

.physical-symptom-4 {
  top: 87%;
  left: 10%;
}

.physical-symptom-5 {
  top: 80%;
  left: -85%;
}

.recommendation-section {
  margin-top: 37%;
}

.recommendation-box {
  width: 90%;
  margin: -30% auto 0 auto;
}
/*cause*/

.cause-section {
  position: relative;
  width: 100%;
  margin-top: 2%;
  text-align: center;
}

.cause-title img {
  width: 60%;
}

.cause-description {
  position: relative;
  width: 70%;
  margin: 8% auto;
}

.cause-description img {
  width: 100%;
}

.cause-illustration img {
  width: 100%;
}

.cause-illustration {
  position: relative;
  width: 100%;
  height: auto;
}

.cause-illustration img {
  width: 100%;
  height: auto;
}

/*point*/
.point-title {
  width: 80%;
  margin: 12% auto;
}

.point-item {
  margin: 2% auto;
  padding: 1%;
}

.reason {
  position: absolute;
  width: 56%;
  height: auto;
}

.reason-1 {
  top: 20%;
  left: 0%;
}

.reason-2 {
  top: 40%;
  left: 20%;
}

.reason-3 {
  top: -1%;
  left: 40%;
}

.reason-4 {
  top: 54%;
  left: 35%;
}

.reason-5 {
  bottom: 6%;
  right: 17%;
}

.reason-6 {
  bottom: 14%;
  right: 0%;
}

/*faq*/
details {
  margin-bottom: 1em;
  border-bottom: 1px solid #f3f3f3;
  padding: 1% 5% 5% 5%;
  text-align: left;
}

details > p {
  padding: 5%;
}

summary {
  list-style: none;
  cursor: pointer;
  justify-content: space-between;
  align-items: center;
  position: relative;
  padding: 0 20px; /* マークのスペース確保 */
}

summary::before {
  content: "";
  position: absolute;
  right: 0;
  top: 20px;
  width: 10px;
  height: 2px;
  background-color: black;
  transition: transform 0.3s ease;
  transform-origin: center;
}

summary::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 16px;
  width: 2px;
  height: 10px;
  background-color: black;
  transition: transform 0.3s ease;
  transform-origin: center;
}

details[open] summary::after {
  transform: rotate(90deg);
}

details[open] summary::before {
  transform: rotate(90deg);
  width: 0px;
}

/*animation*/
.fadeUpblur {
  opacity: 0;
  filter: blur(10px);
  transform: translateY(10px);
  transition: opacity 0.6s var(--ease-in-out), filter 0.6s var(--ease-in-out),
    transform 0.6s var(--ease-in-out);
}
.active.fadeUpblur {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0);
}

.pulse {
  -webkit-animation: pulse 0.85s cubic-bezier(0.25, 0.8, 0.25, 1) both;
  animation: pulse 0.85s cubic-bezier(0.25, 0.8, 0.25, 1) both;
}

.poyopoyo {
  animation: poyopoyo 1s infinite;
}

@keyframes poyopoyo {
  from {
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
  }

  50% {
    -webkit-transform: scale3d(1.05, 1.05, 1.05);
    transform: scale3d(1.05, 1.05, 1.05);
  }

  to {
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
  }
}

.fadeComein {
  opacity: 0;
  transition: 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  transition-property: opacity, transform;
  transform: scale(0.9) rotate(0.0001deg);
}

.fadeComein.active {
  opacity: 1;
}

.fadeComein:nth-child(1) {
  transition-delay: calc(0.15s * 1);
}
.fadeComein:nth-child(2) {
  transition-delay: calc(0.15s * 2);
}
.fadeComein:nth-child(3) {
  transition-delay: calc(0.15s * 3);
}

.mini-slideUp {
  -webkit-transform: translateY(5vw) scale(1);
  transform: translateY(5vw) scale(1);
  -webkit-transition-duration: 0.6s;
  transition-duration: 0.6s;
  -webkit-transition-timing-function: ease;
  transition-timing-function: ease;
  -webkit-transition-property: opacity, -webkit-transform, -webkit-filter;
  transition-property: opacity, -webkit-transform, -webkit-filter;
  transition-property: transform, opacity, filter;
  transition-property: transform, opacity, filter, -webkit-transform,
    -webkit-filter;
  -webkit-transition-delay: 0.2s;
  transition-delay: 0.2s;
  opacity: 0;
  will-change: transform, opacity;
}

.mini-slideUp.active {
  -webkit-transform: translateY(0);
  transform: translateY(0);
  opacity: 1;
}

summary {
  display: block;
  list-style: none;
}

/* 一部ブラウザで消えなかった場合は以下も追記 */
summary::-webkit-details-marker {
  display: none;
}