@charset "UTF-8";

/* -----------------------------------------------
Research Method Page（研究紹介／調査の全体像）
----------------------------------------------- */


/* -----------------------------------------------
Common Parts（ページ共通パーツ）
----------------------------------------------- */
/* ドット付き小見出し（h4） */
.research-method-dot-heading {
  display: flex;
  align-items: center;
  font-weight: 600;
  color: #21272a;
  line-height: 1.6;
}

.research-method-dot {
  flex-shrink: 0;
  display: inline-block;
  border-radius: 50%;
  background: linear-gradient(-90deg, #001022 0%, #003e88 100%);
}

@media (max-width: 767px) {
  .research-method-dot-heading {
    font-size: var(--fs-16);
    gap: 8px;
    margin-bottom: 10px;
  }

  .research-method-dot {
    width: 8px;
    height: 8px;
  }
}

@media (min-width: 768px) {
  .research-method-dot-heading {
    font-size: 20px;
    gap: 10px;
    margin-bottom: 16px;
  }

  .research-method-dot {
    width: 10px;
    height: 10px;
  }
}


/* -----------------------------------------------
Hero Section
----------------------------------------------- */
.research-method-hero {
  background-color: #fff;
  position: relative;
  overflow: hidden;
}

.research-method-hero__bg {
  display: none;
}

.research-method-hero__container {
  position: relative;
  z-index: 2;
}

.research-method-hero__subtitle {
  font-weight: 500;
  color: #333;
  line-height: 2;
}

.research-method-hero__title {
  font-weight: 500;
  color: #333;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.research-method-hero__lead {
  color: #555;
  line-height: 1.85;
}

.research-method-hero__video {
  background-color: #d9d9d9;
  position: relative;
  overflow: hidden;
}

.research-method-hero__video-iframe {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

@media (max-width: 767px) {
  .research-method-hero__container {
    padding: 44px 4% 55px;
  }

  .research-method-hero__subtitle {
    font-size: var(--fs-14);
    margin-bottom: 8px;
  }

  .research-method-hero__title {
    font-size: var(--fs-24);
    margin-bottom: 16px;
  }

  .research-method-hero__lead {
    font-size: var(--fs-14);
    margin-bottom: 24px;
  }

  .research-method-hero__video {
    aspect-ratio: 16 / 9;
    border-radius: 14px;
  }
}

@media (min-width: 768px) {
  .research-method-hero__bg {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    width: 100%;
    height: auto;
  }

  .research-method-hero__container {
    padding: 60px 20px 70px;
  }

  .research-method-hero__content {
    max-width: 660px;
  }

  .research-method-hero__subtitle {
    font-size: 20px;
    margin-bottom: 10px;
  }

  .research-method-hero__title {
    font-size: 32px;
    margin-bottom: 20px;
  }

  .research-method-hero__lead {
    font-size: 16px;
    margin-bottom: 40px;
  }

  .research-method-hero__video {
    aspect-ratio: 660 / 371.56;
    border-radius: 22px;
  }
}



/* -----------------------------------------------
OVERVIEW Section
----------------------------------------------- */
.research-method-overview {
  background: linear-gradient(-57deg, #003e88 0%, #001022 100%);
}

.research-method-overview__card {
  background-color: #fff;
  border-radius: 12px;
}

.research-method-overview__lead {
  color: #21272a;
  line-height: 2;
}

/* 第1層／第2層 */
.research-method-overview__layer-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.research-method-overview__layer-badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(90deg, #0099d9 0%, #004091 100%);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.0625em;
  border-radius: 999px;
  line-height: 1.2;
}

.research-method-overview__layer-heading {
  font-weight: 700;
  color: #21272a;
  line-height: 1.3;
}

.research-method-overview__layer-body {
  color: #21272a;
  line-height: 2;
}

/* データ詳細パネル */
.research-method-overview__panel {
  background-color: #f5f5f5;
  border-radius: 12px;
}

.research-method-overview__panel-subheading {
  font-weight: 400;
  color: #21272a;
  line-height: 1.4em;
}

.research-method-overview__column-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #001361;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 999px;
  line-height: 2em;
}

.research-method-overview__item-title {
  font-weight: 500;
  color: #001361;
  line-height: 1.4em;
}

.research-method-overview__item-desc {
  font-weight: 300;
  color: #21272a;
  line-height: 2em;
}

/* デバイス機能ブロック */
.research-method-overview__feature-heading-text {
  flex: 1;
  min-width: 0;
}

.research-method-overview__feature-new {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  background: linear-gradient(90deg, #ff7a3d 0%, #ff3d6e 100%);
  color: #fff;
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: 999px;
  box-shadow: 0 2px 6px rgba(255, 61, 110, 0.35);
}

.research-method-overview__feature-body {
  font-weight: 400;
  color: #21272a;
  line-height: 1.8em;
}

@media (max-width: 767px) {
  .research-method-overview {
    padding: 50px 0;
  }

  .research-method-overview__container {
    padding-inline: 4%;
  }

  .research-method-overview__card {
    padding: 30px 20px;
  }

  .research-method-overview__lead {
    font-size: var(--fs-14);
    margin-bottom: 24px;
  }

  .research-method-overview__layer {
    margin-top: 36px;
  }

  .research-method-overview__layer:first-of-type {
    margin-top: 0;
  }

  .research-method-overview__layer-head {
    gap: 10px;
    margin-bottom: 12px;
  }

  .research-method-overview__layer-badge {
    font-size: var(--fs-14);
    padding: 4px 14px;
  }

  .research-method-overview__layer-heading {
    font-size: var(--fs-18);
  }

  .research-method-overview__layer-body {
    font-size: var(--fs-14);
    margin-bottom: 24px;
  }

  .research-method-overview__panel {
    padding: 24px 20px;
  }

  .research-method-overview__panel-subheading {
    font-size: var(--fs-15);
    margin-bottom: 20px;
  }

  .research-method-overview__columns {
    display: flex;
    flex-direction: column;
    gap: 28px;
  }

  .research-method-overview__column-badge {
    font-size: var(--fs-13);
    padding: 3px 16px;
    margin-bottom: 12px;
  }

  .research-method-overview__item {
    margin-bottom: 16px;
  }

  .research-method-overview__item:last-child {
    margin-bottom: 0;
  }

  .research-method-overview__item-title {
    font-size: var(--fs-15);
    margin-bottom: 2px;
  }

  .research-method-overview__item-desc {
    font-size: var(--fs-13);
  }

  .research-method-overview__feature {
    margin-bottom: 24px;
  }

  .research-method-overview__feature:last-child {
    margin-bottom: 0;
  }

  .research-method-overview__feature-new {
    font-size: var(--fs-12);
    padding: 2px 8px;
    margin-right: 4px;
  }

  .research-method-overview__feature-body {
    font-size: var(--fs-15);
  }
}

@media (min-width: 768px) {
  .research-method-overview {
    padding: 90px 0;
  }

  .research-method-overview__container {
    padding-inline: 20px;
  }

  .research-method-overview__card {
    max-width: 1140px;
    padding: 40px;
  }

  .research-method-overview__lead {
    font-size: 16px;
    margin-bottom: 32px;
  }

  .research-method-overview__layer {
    margin-top: 52px;
  }

  .research-method-overview__layer:first-of-type {
    margin-top: 0;
  }

  .research-method-overview__layer-head {
    gap: 16px;
    margin-bottom: 16px;
  }

  .research-method-overview__layer-badge {
    font-size: 16px;
    padding: 5px 16px;
  }

  .research-method-overview__layer-heading {
    font-size: 22px;
  }

  .research-method-overview__layer-body {
    font-size: 16px;
    margin-bottom: 24px;
  }

  .research-method-overview__panel {
    padding: 38px;
  }

  .research-method-overview__panel-subheading {
    font-size: 18px;
    margin-bottom: 24px;
  }

  .research-method-overview__columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
  }

  .research-method-overview__column-badge {
    font-size: 14px;
    padding: 0 16px;
    margin-bottom: 12px;
  }

  .research-method-overview__item {
    margin-bottom: 20px;
  }

  .research-method-overview__item:last-child {
    margin-bottom: 0;
  }

  .research-method-overview__item-title {
    font-size: 18px;
    margin-bottom: 2px;
  }

  .research-method-overview__item-desc {
    font-size: 14px;
  }

  .research-method-overview__feature {
    margin-bottom: 32px;
  }

  .research-method-overview__feature:last-child {
    margin-bottom: 0;
  }

  .research-method-overview__feature-new {
    font-size: 13px;
    padding: 3px 12px;
    margin-right: 6px;
  }

  .research-method-overview__feature-body {
    font-size: 18px;
  }
}



/* -----------------------------------------------
FLOW Section
----------------------------------------------- */
.research-method-flow {
  background-color: #fff;
}

.research-method-flow__lead {
  color: #21272a;
  line-height: 2em;
}

.research-method-flow__badge {
  display: inline-flex;
  align-items: center;
  background-color: #dfe5ff;
  color: #001361;
  font-weight: 700;
  border-radius: 999px;
  line-height: 1.2;
  gap: 3px;
  font-size: var(--fs-13);
  padding: 6px 24px 6px 14px;
  margin-bottom: 32px;
}

.research-method-flow__badge-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 400;
  width: 26px;
  height: 26px;
  font-size: 26px;
  margin-bottom: 5px;
}

.research-method-flow__steps {
  list-style: none;
  margin: 0;
  position: relative;
}

.research-method-flow__steps::before {
  content: "";
  position: absolute;
  border-left: 2px dashed #8b95a5;
}

.research-method-flow__step {
  display: flex;
  position: relative;
  align-items: flex-start;
}

.research-method-flow__step-number {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #001361;
  color: #fff;
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  border-radius: 50%;
  position: relative;
  z-index: 1;
}

.research-method-flow__step--plus .research-method-flow__step-number {
  background-color: #8b95a5;
}

.research-method-flow__step-heading {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  font-weight: 700;
  color: #001361;
  line-height: 1.2em;
}

.research-method-flow__step-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: #8b95a5;
  color: #fff;
  font-weight: 700;
  border-radius: 999px;
  line-height: 1.2em;
}

.research-method-flow__step-tag--accent {
  background-color: #204898;
}

.research-method-flow__step-desc {
  color: #5c6370;
  font-weight: 400;
}

@media (max-width: 397px) {
  .research-method-flow__steps::before {
    bottom: 99px;
  }
}

@media (max-width: 767px) {
  .research-method-flow {
    padding-block: 55px;
  }

  .research-method-flow__lead {
    font-size: var(--fs-14);
    margin-bottom: 20px;
  }

  .research-method-flow__steps::before {
    left: 17px;
    top: 34px;
    bottom: 48px;
  }

  .research-method-flow__step {
    gap: 16px;
  }

  .research-method-flow__step+.research-method-flow__step {
    margin-top: 40px;
  }

  .research-method-flow__step-number {
    width: 36px;
    height: 36px;
    font-size: var(--fs-18);
  }

  .research-method-flow__step-heading {
    font-size: var(--fs-16);
    gap: 10px;
    margin-bottom: 6px;
  }

  .research-method-flow__step-tag {
    font-size: var(--fs-12);
    padding: 3px 10px;
  }

  .research-method-flow__step-desc {
    font-size: var(--fs-13);
    line-height: 1.7;
  }
}

@media (min-width: 768px) {
  .research-method-flow {
    padding-block: 90px;
  }

  .research-method-flow__lead {
    font-size: 16px;
    margin-bottom: 24px;
  }

  .research-method-flow__steps {
    max-width: 800px;
  }

  .research-method-flow__steps::before {
    left: 33px;
    top: 44px;
    bottom: 56px;
  }

  .research-method-flow__step {
    gap: 24px;
  }

  .research-method-flow__step+.research-method-flow__step {
    margin-top: 60px;
  }

  .research-method-flow__step-number {
    width: 63px;
    height: 63px;
    font-size: 26px;
  }

  .research-method-flow__step-heading {
    font-size: 22px;
    gap: 16px;
    margin-bottom: 8px;
  }

  .research-method-flow__step-tag {
    font-size: 13px;
    padding: 5px 14px;
  }

  .research-method-flow__step-desc {
    font-size: 16px;
    line-height: 1.9;
  }
}



/* -----------------------------------------------
FEEDBACK Section
----------------------------------------------- */
.research-method-feedback {
  background-color: #f5f5f5;
}

.research-method-feedback__lead {
  color: #21272a;
  line-height: 2em;
}

.research-method-feedback__cards {
  display: grid;
}

.research-method-feedback__card {
  background-color: #fff;
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.research-method-feedback__card-image {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.research-method-feedback__card-title {
  font-weight: 700;
  color: #21272a;
  line-height: 1.3;
}

.research-method-feedback__card-text {
  color: #21272a;
  font-weight: 300;
  line-height: 2em;
}

.research-method-feedback__card-note {
  color: #21272a;
  font-weight: 400;
  line-height: 1.7;
}

.research-method-feedback__voice-list {
  display: grid;
}

.research-method-feedback__voice {
  background-color: #fff;
  border-radius: 12px;
  position: relative;
}

.research-method-feedback__voice-text {
  color: #21272a;
  font-weight: 300;
  line-height: 2em;
}

.research-method-feedback__voice-avatar {
  display: block;
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .research-method-feedback {
    padding-block: 55px;
  }

  .research-method-feedback__lead {
    font-size: var(--fs-14);
    margin-bottom: 28px;
  }

  .research-method-feedback__cards {
    gap: 16px;
    margin-bottom: 40px;
  }

  .research-method-feedback__card-body {
    padding: 20px;
    gap: 12px;
    display: flex;
    flex-direction: column;
  }

  .research-method-feedback__card-title {
    font-size: var(--fs-18);
  }

  .research-method-feedback__card-text {
    font-size: var(--fs-14);
  }

  .research-method-feedback__card-note {
    font-size: var(--fs-12);
  }

  .research-method-feedback__voice-list {
    gap: 16px;
  }

  .research-method-feedback__voice {
    padding: 24px 24px 90px;
  }

  .research-method-feedback__voice-text {
    font-size: var(--fs-14);
  }

  .research-method-feedback__voice-avatar {
    position: absolute;
    right: 20px;
    bottom: 16px;
    width: 64px;
    height: auto;
  }
}

@media (min-width: 768px) {
  .research-method-feedback {
    padding-block: 90px;
  }

  .research-method-feedback__lead {
    font-size: 16px;
    margin-bottom: 32px;
  }

  .research-method-feedback__cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 56px;
    align-items: stretch;
  }

  .research-method-feedback__card-body {
    padding: 24px;
    gap: 16px;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .research-method-feedback__card-title {
    font-size: 20px;
  }

  .research-method-feedback__card-text {
    font-size: 16px;
  }

  .research-method-feedback__card-note {
    font-size: 13px;
  }

  .research-method-feedback__voice-list {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .research-method-feedback__voice {
    padding: 24px 36px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
  }

  .research-method-feedback__voice-text {
    font-size: 16px;
  }

  .research-method-feedback__voice-avatar {
    width: 90px;
    height: auto;
  }
}



/* -----------------------------------------------
CTA Section
----------------------------------------------- */
.research-method-cta {
  background: linear-gradient(-57deg, #003e88 0%, #001022 100%);
  color: #fff;
}

.research-method-cta__container {
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.research-method-cta .research-method-cta__container {
  max-width: 1140px;
}

.research-method-cta__title {
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.research-method-cta__lead {
  color: rgba(255, 255, 255, 0.82);
  font-weight: 400;
  line-height: 1.875;
  text-align: center;
}

.research-method-cta__btn {
  display: inline-flex;
  align-items: center;
  background: none;
  border: 1px solid #fff;
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.5px;
  border-radius: 40px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

@media (any-hover: hover) {
  .research-method-cta__btn:hover {
    background-color: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  }
}

.research-method-cta__btn-arrow {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .research-method-cta {
    padding-block: 52px 64px;
  }

  .research-method-cta__container {
    padding-inline: 4%;
    gap: 28px;
  }

  .research-method-cta__title {
    font-size: var(--fs-22);
  }

  .research-method-cta__lead {
    font-size: var(--fs-14);
    text-align: left;
  }

  .research-method-cta__btn {
    font-size: var(--fs-15);
    gap: 24px;
    padding: 16px 28px;
    width: 100%;
    justify-content: center;
    position: relative;
  }

  .research-method-cta__btn-arrow {
    position: absolute;
    right: 20px;
  }
}

@media (min-width: 768px) {
  .research-method-cta {
    padding-block: 100px;
  }

  .research-method-cta__container {
    padding-inline: 20px;
    gap: 40px;
  }

  .research-method-cta__title {
    font-size: clamp(22px, 2.2vw, 28px);
  }

  .research-method-cta__title-break {
    display: none;
  }

  .research-method-cta__lead {
    font-size: 16px;
  }

  .research-method-cta__btn {
    font-size: 20px;
    gap: 52px;
    padding: 16px 22px 16px 52px;
  }
}