/* ========================================
   CSS Variables
======================================== */
:root {
  /* Colors */
  --color-primary: #333;
  --color-secondary: #666;
  --color-accent: #0066cc;
  --color-bg: #fff;
  --color-bg-gray: #f5f5f5;
  --color-orange: #f07a2a;
  --color-teal: #2b8c8c;
  --color-teal-light: #7ebbaf;
  --color-features-bg-a: #9db9ad;
  --color-features-bg-b: #92bbaf;
  --color-green: #008883;
  --color-yellow: #f5c832;
  --color-amber: #f7b213;
  --color-text-muted: #606060;
  --color-text-gray: #646060;
  --color-bg-yellow: #fcf7ca;
  --color-bg-yellow-alpha: rgba(253, 250, 218, 0.62);
  --color-yellow-light: #f7ef6f;
  --color-yellow-bright: #fcde00;
  --color-bg-gray-light: #ebebeb;
  --color-card-bg: #efefef;
  --color-card-cream: #f5f0e8;
  --color-card-yellow: #f8f9e3;
  --color-card-mint: #d8ece0;
  --color-bg-cream: #f5f0e0;
  --color-step-alt: #f0f1ec;

  /* Font */
  --font-base: "Noto Sans JP", "Hiragino Sans", Meiryo, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.8;

  /* Layout */
  --content-width: 660px;
  --padding-sp: 20px;

  /* Transition */
  --transition-base: 0.3s ease;

  /* CTA Animation */
  --cta-pulse-scale: 1.03;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  background-image: url(../images/body-bg.webp);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

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

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

ul,
ol {
  list-style: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* ========================================
   Visually Hidden
======================================== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================================
   Layout
======================================== */
.header__inner,
.section__inner,
.footer__inner {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* ========================================
   Header
======================================== */
.header {
  display: none;
}

.nav {
  display: none;
}

@media (min-width: 1401px) {
  .header {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 30%;
    height: 100vh;
    z-index: 100;
  }

  .nav {
    display: flex;
  }
}

.header__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  height: 100%;
  padding: clamp(16px, 2vw, 48px) clamp(8px, 1vw, 24px) clamp(12px, 1.5vw, 40px);
  gap: clamp(16px, 2.5vw, 64px);
}

.header__catch {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(6px, 0.8vw, 16px);
}

.header__catch-text {
  display: inline-block;
  background-color: var(--color-teal);
  color: var(--color-bg);
  font-size: clamp(14px, 2vw, 48px);
  font-weight: 700;
  padding: 0 clamp(4px, 0.5vw, 10px);
  line-height: 1.7;
}

.header__illust {
  width: clamp(120px, 20vw, 470px);
  height: auto;
  display: block;
}

.header__btn {
  display: block;
  text-align: center;
  font-size: clamp(16px, 2vw, 52px);
  font-weight: 700;
  color: var(--color-teal);
  background-color: var(--color-bg);
  border-radius: 50px;
  padding: clamp(2px, 0.3vw, 10px) clamp(12px, 2.5vw, 48px);
  border: clamp(2px, 0.3vw, 5px) solid var(--color-teal);
}

.header__license {
  text-align: center;
  font-weight: 700;
  font-size: clamp(0.625rem, 1vw, 2rem);
  color: var(--color-teal);
  margin-top: clamp(2px, 3vw, 8px);
}


/* ========================================
   Nav
======================================== */
.nav {
  position: fixed;
  top: 0;
  right: 0;
  width: 30%;
  height: 100vh;
  z-index: 100;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: clamp(12px, 2vw, 40px);
  padding: clamp(16px, 2vw, 48px) clamp(8px, 1vw, 24px) clamp(12px, 1.5vw, 40px);
}

.nav__list {
  margin: 0 auto;
  list-style: none;
  padding: 0 clamp(0.375rem, 0.75vw, 1rem);
}

.nav__item {
  border-top: 1px solid var(--color-teal);
}

.nav__item:last-child {
  border-bottom: 1px solid var(--color-teal);
}

.nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(8px, 0.5vw, 20px) clamp(6px, 0.75vw, 16px);
  font-size: clamp(12px, 1.2vw, 32px);
  font-weight: 600;
  color: var(--color-teal);
  transition: var(--transition-base);
}

.nav__link:hover {
  opacity: 0.7;
}

.nav__text {
  display: flex;
  align-items: center;
  margin-right: 0.5rem;
  gap: clamp(0.25rem, 0.5vw, 0.75rem);
}

.nav__home-icon {
  width: 1.2em;
  height: auto;
}

.nav__icon {
  width: 2rem;
  height: auto;
  flex-shrink: 0;
}

.nav__contact {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0rem;
}

.nav__contact-link {
  display: block;
  transition: var(--transition-base);
}

.nav__contact-link:hover {
  opacity: 0.7;
}

.nav__contact-img {
  width: clamp(80px, 18vw, 300px);
  height: auto;
  display: block;
}

/* ========================================
   Hero
======================================== */
.hero__img {
  width: 100%;
  max-width: var(--content-width);
  margin: 0 auto;
  display: block;
}

/* ========================================
   Features
======================================== */
.features {
  max-width: 660px;
  margin: 0 auto;
  background-color: var(--color-features-bg-a);
  padding: clamp(1.3rem, 4vw, 2.5rem) clamp(1rem, 4vw, 1.5rem);
}

.features--variant-b {
  background-color: var(--color-features-bg-b);
}

.features__inner {
  max-width: 585px;
  margin: clamp(-5rem, -10vw, -2.5rem) auto 0;
}

.features__list {
  display: flex;
  flex-direction: row;
  gap: clamp(1rem, 3vw, 1.5rem);
  list-style: none;
}

.features__item {
  flex: 1;
  position: relative;
  background-color: var(--color-bg);
  border: 2px solid var(--color-amber);
  border-radius: 3.5px;
  padding: 2rem 0 0.5rem;
  text-align: center;
}

.features__icon {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 58px;
}

.features__icon-img {
  width: 100%;
  display: block;
  object-fit: contain;
}

.features__text {
  font-size: clamp(1rem, 4vw, 1.625rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-primary);
}

@keyframes cta-button-animation {
  0%  { transform: scale(1); }
  15% { transform: scale(var(--cta-pulse-scale)); }
  30% { transform: scale(1); }
  45% { transform: scale(var(--cta-pulse-scale)); }
  70% { transform: scale(1); }
  90% { transform: scale(var(--cta-pulse-scale)); }
}

.features__cta {
  display: block;
  max-width: clamp(200px, 60vw, 440px);
  width: 100%;
  margin: clamp(2rem, 4vw, 4rem) auto;
  animation: 1.5s ease 0s infinite cta-button-animation;
}

.features__cta:hover {
  transform: scale(1.05);
}

.features__cta--no-margin {
  margin: 0 auto 1.5rem;
}

.features__text--accent {
  color: var(--color-orange);
}


/* ========================================
   About
======================================== */

.about__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  background-image: url(../images/about-bg.webp);
  background-color: var(--color-teal-light);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

@media (min-width: 660px) {
  .about__inner {
    background-size: 100%;
    background-position: bottom;
  }
}

.about__img {
  width: 100%;
  display: block;
}

.about__text {
  font-size: clamp(1.1rem, 4vw, 1.875rem);
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
  line-height: 2;
  letter-spacing: 0.05rem;
  margin: clamp(0.5rem, 1vw, 1rem) auto clamp(2rem, 4vw, 4rem);
}

.about__text-large {
  font-size: clamp(1.5rem, 6vw, 2.5rem);
}

.about__text-small {
  font-size: 0.7em;
}

.about__text-accent {
  color: var(--color-bg);
  padding: 0.5rem;
  margin-right: 0.5rem;
  background-color: var(--color-green);
}

.works__list {
  display: grid;
  max-width: clamp(280px, 85vw, 570px);
  margin: 0 auto;
  grid-template-columns: 1fr 1fr;
  gap: clamp(0.75rem, 2vw, 1rem);
  list-style: none;
}

.works__item {
  display: flex;
  align-items: center;
  background-color: var(--color-card-bg);
}

.works__icon {
  max-width: clamp(50px, 10vw, 100px);
  align-self: stretch;
  background-color: var(--color-green);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0.6rem, 1.8vw, 1.8rem);
}

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

.works__text {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(0.7rem, 2.5vw, 1rem);
  font-weight: 600;
  color: var(--color-green);
  padding: clamp(0.2rem, 2vw, 0.4rem);
  line-height: 1.6;
}

/* ========================================
   Message
======================================== */
.message__inner {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: clamp(1rem, 9vw, 4rem) 0 4.05rem;
}

.message__img {
  max-width: clamp(50px, 9vw, 90px);
  height: auto;
  flex-shrink: 0;
}

.message__balloon {
  position: relative;
  background-color: var(--color-bg);
  border-radius: 8px;
  max-width: clamp(160px, 55vw, 315px);
  padding: clamp(0.3rem, 1vw, 0.5rem) 0;
  flex: 1;
  margin-left: clamp(1rem, 1vw, 1.2rem);
  display: flex;
  align-items: center;
  justify-content: center;
}

.message__balloon--beginner {
  max-width: clamp(200px, 60vw, 405px);
}

.message__balloon::before {
  content: "";
  position: absolute;
  top: 20%;
  left: -1rem;
  border-width: 0.8rem 1rem 0rem 0;
  border-style: solid;
  border-color: transparent var(--color-bg) transparent transparent;
}

.message__text {
  font-size: clamp(0.5rem, 3vw, 1.1875rem);
  font-weight: 600;
  color: var(--color-green);
  line-height: 1.8;
}

/* ========================================
   Beginner
======================================== */

.beginner__inner {
  padding: clamp(2rem, 5vw, 3rem) clamp(1rem, 4vw, 1.5rem) clamp(4rem, 8vw, 5rem);
  max-width: var(--content-width);
  background-color: var(--color-teal-light);
  margin: 0 auto;
  clip-path: polygon(0 0, 100% 0, 100% 97%, 50% 100%, 0 97%);
}

@media (min-width: 661px) {
  .beginner__inner {
    clip-path: polygon(0 0, 100% 0, 100% 95%, 50% 100%, 0 95%);
  }
}

.beginner__title {
  font-weight: 600;
  color: var(--color-bg);
  text-align: center;
  line-height: 1.4;
  margin-bottom: clamp(1.5rem, 4vw, 2rem);
}

.beginner__title-top {
  font-size: clamp(2rem, 7vw, 3.125rem);
}

.beginner__title-bottom {
  font-size: clamp(1.75rem, 6vw, 2.8125rem);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.beginner__title-icon {
  max-width: 35px;
}

.beginner__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(1.5rem, 2vw, 1rem);
  list-style: none;
  width: clamp(260px, 85vw, 525px);
  margin: 0 auto;
}

.beginner__item {
  background-color: var(--color-card-yellow);
  border-radius: 13.141px;
  overflow: hidden;
}

.beginner__img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.beginner__name {
  font-size: clamp(1rem, 3vw, 1.3rem);
  font-weight: 600;
  text-align: center;
  color: var(--color-text-muted);
  padding: clamp(0.75rem, 2vw, 1rem) clamp(0.75rem, 2vw, 1rem) 0.4rem;
}

.beginner__text {
  font-size: clamp(0.85rem, 2vw, 0.9rem);
  color: var(--color-text-muted);
  padding: 0 clamp(1rem, 2vw, 1.2rem) clamp(0.75rem, 2vw, 1rem);
  line-height: 1.7;
}

/* ========================================
   Step
======================================== */
.step__inner {
  max-width: var(--content-width);
  margin: -6rem auto 0;
  padding: clamp(8rem, 10vw, 7rem) clamp(1rem, 4vw, 1.5rem) clamp(2rem, 5vw, 3rem);
  text-align: center;
  background-image: url(../images/step-bg.webp);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}

.step__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-green);
  color: var(--color-bg);
  font-weight: 600;
  font-size: clamp(1rem, 3vw, 1.5625rem);
  padding: 0.5rem 1.5rem;
  border-radius: 2rem;
  margin: 0 auto clamp(1rem, 3vw, 1.5rem);
}

.step__badge-icon {
  width: 1.5rem;
  height: auto;
  filter: brightness(0) invert(1);
}

.step__title {
  font-size: clamp(1.75rem, 6vw, 2.75rem);
  font-weight: 700;
  color: var(--color-green);
  margin-bottom: clamp(1.5rem, 4vw, 2rem);
  letter-spacing: 0.05rem;
}

.step__title-small {
  font-size: 0.8em;
  letter-spacing: 0.05rem;
}

.step__list {
  display: flex;
  flex-direction: column;
  gap: clamp(0.75rem, 2vw, 1rem);
  list-style: none;
  text-align: left;
  max-width: clamp(280px, 80vw, 540px);
  margin: 0 auto;
}

.step__item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background-color: var(--color-card-mint);
  border-radius: 0.75rem;
  padding: clamp(1rem, 3vw, 1.5rem);
}

.step__item--alt {
  background-color: var(--color-step-alt);
}

.step__number {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  color: var(--color-green);
}

.step__label {
  font-size: clamp(0.625rem, 2vw, 0.75rem);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.step__num {
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  line-height: 1;
}

.step__divider {
  width: 2px;
  align-self: stretch;
  background-color: var(--color-green);
  flex-shrink: 0;
}

.step__name {
  font-size: clamp(1rem, 3vw, 1.25rem);
  font-weight: 700;
  color: var(--color-green);
  margin-bottom: 0.25rem;
}

.step__text {
  font-size: clamp(0.55rem, 2.5vw, 0.875rem);
  color: var(--color-green);
}

/* ========================================
   Reason
======================================== */
.reason__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  text-align: center;
  background-color: var(--color-bg-yellow);
  padding-bottom: clamp(1.5rem, 4vw, 2rem);
}

.reason-top {
  background-image: url(../images/reason-top.webp);
  background-size: 100%;
  background-repeat: no-repeat;
  aspect-ratio: 1982 / 751;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.reason__subtitle {
  font-size: clamp(1.25rem, 5vw, 2.0625rem);
  font-weight: 600;
  color: var(--color-bg);
  letter-spacing: 0.05em;
}

.reason__subtitle-en {
  font-size: clamp(1.5rem, 6.1vw, 2.5rem);
  font-weight: 600;
}

.reason__title {
  font-weight: 600;
  color: var(--color-bg);
  font-size: clamp(2rem, 8.8vw, 3.625rem);
  letter-spacing: 0.03em;
}

.reason__title-num {
  font-family: "Murecho", sans-serif;
  font-size: clamp(4rem, 18.2vw, 7.5rem);
  font-style: italic;
  font-weight: 600;
  line-height: 0.7;
  margin-right: 0.5rem;
}

.reason__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  width: clamp(330px, 78vw, 550px);
  margin: 0 auto;
  gap: clamp(0.75rem, 2vw, 1rem);
  padding: clamp(1.5rem, 4vw, 2rem) clamp(0.5rem, 4vw, 1rem);
}

.reason__item {
  display: flex;
  align-items: stretch;
}

.reason__number {
  flex-shrink: 0;
  width: clamp(3rem, 12vw, 5rem);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(50deg, #eb670b, #fdd65b);
  font-family: "Murecho", sans-serif;
  font-size: clamp(1.5rem, 6vw, 2.2rem);
  font-style: italic;
  font-weight: 600;
  color: var(--color-bg);
  text-align: center;
}

.reason__text {
  flex: 1;
  padding: clamp(0.4rem, 1.2vw, 0.6rem) clamp(0.4rem, 1vw, 0.8rem);
  font-size: clamp(0.5rem, 2.7vw, 1rem);
  font-weight: 600;
  color: var(--color-text-gray);
  line-height: 1.5;
  text-align: left;
  border: 2px solid transparent;
  border-left: none;
  background: linear-gradient(var(--color-bg), var(--color-bg)) padding-box,
              linear-gradient(120deg, #fdd65b, #eb670b) border-box;
}

.reason__cta {
  display: block;
  max-width: clamp(200px, 60vw, 340px);
  width: 100%;
  margin: clamp(0.5rem, 4vw, 2rem) auto;
  animation: 1.5s ease 0s infinite cta-button-animation;
}

.reason__cta:hover {
  transform: scale(1.05);
}

.reason__text--underline {
  text-decoration: underline;
  text-decoration-color: var(--color-yellow-light);
  text-decoration-thickness: 3px;
  text-underline-offset: 2px;
}

/* ========================================
   Company
======================================== */
.company__inner {
  position: relative;
  background-color: var(--color-bg-gray-light);
  max-width: var(--content-width);
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 3.5rem) clamp(1rem, 4vw, 2rem) clamp(4em, 7vw, 5rem);
  text-align: center;
  background-image: url(../images/company-bg.webp);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}

/* @media (min-width: 660px) {
  .company__inner {
    background-size: 100%;
    background-position: bottom;
  }
} */

.company__title {
  color: var(--color-bg);
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
  line-height: 1.2;
}

.company__title-top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: clamp(1.25rem, 4vw, 2rem);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.company__title-icon {
  width: clamp(1.5rem, 4vw, 2rem);
  height: auto;
}

.company__title-bottom {
  display: block;
  font-size: clamp(1.3rem, 2.5vw, 2rem);
  font-weight: 700;
}


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

.company__video-player--pc {
  display: none;
}

@media (min-width: 661px) {
  .company__video-player--pc {
    display: block;
  }

  .company__video-player--sp {
    display: none;
  }
}


/* ========================================
   Price
======================================== */
.price__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 4rem) clamp(1rem, 4vw, 2rem);
  text-align: center;
  background-color: var(--color-bg-gray-light);
}

.price__title {
  font-size: clamp(1.4rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--color-teal);
  display: inline-block;
  text-decoration: underline;
  text-decoration-color: var(--color-yellow-bright);
  text-decoration-thickness: 12px;
  text-underline-offset: 0;
  margin-bottom: clamp(1rem, 3vw, 1.5rem);
}

.price__subtitle {
  font-size: clamp(0.875rem, 1.8vw, 1.25rem);
  font-weight: 600;
  color: var(--color-teal);
  margin-bottom: clamp(1.5rem, 4vw, 2rem);
}

.price__card {
  border: 3px solid var(--color-teal);
  border-radius: 0.75rem;
  overflow: hidden;
  width: clamp(220px, 70vw, 440px);
  margin: 0 auto;
}

.price__card-header {
  background-color: var(--color-teal);
  padding: clamp(0.5rem, 2vw, 0.7rem) 1rem;
}

.price__card-label {
  font-size: clamp(0.8rem, 3vw, 1.5rem);
  font-weight: 600;
  color: var(--color-bg);
}

.price__card-body {
  background-color: var(--color-bg);
  padding: clamp(1.5rem, 4vw, 2.5rem) 1rem;
}

.price__amount {
  font-size: clamp(1.5rem, 4vw, 3.125rem);
  font-weight: 600;
  color: var(--color-teal);
}

.price__unit {
  font-size: clamp(0.875rem, 1.8vw, 1.25rem);
  font-weight: 600;
  margin-left: 0.25rem;
}

/* ========================================
   Voice
======================================== */
.voice__inner {
  max-width: var(--content-width);
  background-color: var(--color-bg-yellow-alpha);
  margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 4rem) clamp(1rem, 4vw, 2rem);
}

.voice__title {
  font-size: clamp(1rem, 2.5vw, 1.875rem);
  font-weight: 700;
  color: var(--color-teal);
  text-align: center;
  line-height: 1.5;
  position: relative;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.voice__title-line {
  display: inline-flex;
  align-items:flex-start;
  gap: clamp(0.5rem, 1vw, 1rem);
}

.voice__title-deco--left,
.voice__title-deco--right {
  display: inline-block;
  width: 2px;
  height: 2em;
  background-color: var(--color-teal);
  opacity: 0.5;
  flex-shrink: 0;
}

.voice__title-deco--left {
  transform: rotate(-20deg);
}

.voice__title-deco--right {
  transform: rotate(20deg);
}

.voice__list {
  display: flex;
  flex-direction: column;
  gap: clamp(1rem, 3vw, 1.5rem);
  list-style: none;
  max-width: clamp(350px, 70vw, 487px);
  margin: 0 auto;
}

.voice__item {
  display: flex;
  align-items: stretch;
  gap: clamp(0.75rem, 2vw, 1rem);
  background-color: var(--color-bg);
  border-radius: 0.75rem;
  padding: clamp(1rem, 3vw, 1.5rem);
  box-shadow: 3.6px 3.6px 2.6px rgba(0, 0, 0, 0.2);
}

.voice__avatar-img {
  display: block;
  flex-shrink: 0;
  align-self: center;
  height: clamp(70px, 10vw, 90px);
  margin: 0 clamp(0.25rem, 0.5vw, 0.5rem);
}

.voice__body {
  flex: 1;
}

.voice__name {
  font-size: clamp(0.55rem, 2.2vw, 0.9375rem);
  font-weight: 700;
  color: var(--color-teal);
  padding-bottom: 0.4rem;
  margin-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-teal);
}

.voice__text {
  font-size: clamp(0.58rem, 1.2vw, 0.75rem);
  color: var(--color-primary);
  line-height: 1.5;
  letter-spacing: 0.03rem;
}

/* ========================================
   Contact
======================================== */

.contact__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 4rem) clamp(1rem, 4vw, 2rem);
  background-image: url(../images/contact-bg.webp);
  background-size: cover;
  background-position: center;
}

.contact__card {
  background-color: rgba(255, 255, 255, 0.72);
  border-radius: 0.5rem;
  width: clamp(240px, 80vw, 470px);
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 3.5rem) clamp(1.5rem, 5vw, 3rem);
}

.contact__title {
  font-size: clamp(1rem, 2.2vw, 1.5625rem);
  font-weight: 700;
  color: var(--color-teal);
  text-align: center;
  margin-bottom: clamp(0.75rem, 2vw, 1rem);
}

.contact__subtitle {
  font-size: clamp(0.5rem, 1vw, 0.6875rem);
  color: var(--color-teal);
  text-align: center;
  line-height: 1.5;
  font-weight: 600;
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: clamp(1rem, 3vw, 1.5rem);
}

.contact__field {
  display: flex;
  flex-direction: column;
  gap: clamp(0.25rem, 0.5vw, 0.5rem);
}

.contact__label {
  display: flex;
  align-items: center;
  gap: clamp(0.25rem, 0.5vw, 0.5rem);
  font-size: clamp(0.5rem, 1vw, 0.6875rem);
  font-weight: 600;
  color: var(--color-teal);
}

.contact__badge {
  font-size: clamp(0.5rem, 1vw, 0.6875rem);
  font-weight: 600;
  padding: 0rem clamp(0.3rem, 0.6vw, 0.6rem);
  border-radius: 5px;
}

.contact__badge--required {
  background-color: var(--color-teal);
  color: var(--color-bg);
}

.contact__badge--optional {
  background-color: var(--color-bg);
  color: var(--color-teal);
  border: 1px solid var(--color-teal);
}

.contact__input,
.contact__textarea {
  width: 100%;
  border: 1.5px solid var(--color-teal);
  border-radius: 0.375rem;
  padding: 0.75rem 1rem;
  font-size: clamp(0.875rem, 2.5vw, 1rem);
  color: var(--color-primary);
  background-color: var(--color-bg);
  outline: none;
  transition: var(--transition-base);
}

.contact__input:focus,
.contact__textarea:focus {
  border-color: var(--color-green);
}

.contact__textarea {
  resize: vertical;
  min-height: clamp(100px, 15vw, 160px);
  margin: 0 auto;
}

.contact__submit {
  width: 100%;
  padding: clamp(0.2rem, 0.4vw, 0.5rem);
  background-color: var(--color-teal);
  color: var(--color-bg);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 2px;
  cursor: pointer;
  transition: var(--transition-base);
  margin-top: clamp(0.5rem, 2vw, 1rem);
}

.contact__submit:hover {
  opacity: 0.85;
}

.contact__note {
  font-size: clamp(0.4rem, 0.9vw, 0.625rem);
  color: var(--color-teal);
  text-align: center;
  font-weight: 700;
}

.contact__recaptcha-note {
  font-size: clamp(0.4375rem, 1.5vw, 0.5rem);
  color: var(--color-secondary);
  text-align: center;
  opacity: 0.7;
}

.contact__recaptcha-note a {
  color: var(--color-secondary);
  text-decoration: underline;
}

/* reCAPTCHA バッジ非表示（開示テキストで代替） */
.grecaptcha-badge {
  visibility: hidden;
}

/* ========================================
   Footer
======================================== */

.footer__inner {
  background-color: var(--color-teal);
  color: var(--color-bg);
  max-width: var(--content-width);
  margin: 0 auto;
  padding-bottom: clamp(60px, 15vw, 80px);
}

.footer__copyright {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: clamp(80px, 15vw, 150px);
  padding: clamp(1rem, 3vw, 2rem) 0;
  gap: 0.25rem;
}

.footer__copyright-name {
  font-weight: 700;
  font-size: clamp(0.875rem, 2vw, 1.3rem);
}

.footer__license {
  font-size: clamp(0.5rem, 1.5vw, 0.75rem);
  font-weight: 600;
  opacity: 0.8;
}

/* ==================== SP Header ==================== */
.sp-header {
  width: 100%;
  background-color: var(--color-bg);
}

.sp-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: clamp(56px, 15vw, 80px);
  padding: clamp(0.4rem, 2vw, 0.75rem) clamp(0.75rem, 5vw, 1.5rem);
}

.sp-header__logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sp-header__logo-name {
  font-size: clamp(1rem, 4.5vw, 1.25rem);
  font-weight: 700;
  text-align: center;
  color: var(--color-bg);
  background-color: var(--color-teal);
  padding: 0 clamp(0.5rem, 1vw, 1.5rem);
}

.sp-header__license {
  font-size: clamp(0.6rem, 2.56vw, 0.7rem);
  font-weight: 400;
  color: var(--color-teal);
  text-align: center;
}

.sp-header__contact {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 4vw, 1.5rem);
}

.sp-header__contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.sp-header__contact-img {
  height: clamp(22px, 7vw, 32px);
  width: auto;
  display: block;
}

.sp-header__contact-label {
  font-size: clamp(0.55rem, 2.2vw, 0.75rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

@media (min-width: 660px) {
  .footer__inner {
    padding-bottom: 0;
  }

  .sp-header {
    display: none;
  }
}

/* ==================== Fixed CTA Bar ==================== */
.fixed-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 200;
  transform: translateY(100%);
  visibility: hidden;
  transition: transform 0.4s ease, visibility 0.4s ease;
}

.fixed-cta-bar.is-visible {
  transform: translateY(0);
  visibility: visible;
}

.fixed-cta-bar__inner {
  display: flex;
  align-items: stretch;
}

.fixed-cta-bar__item {
  flex: 1;
  display: block;
}

.fixed-cta-bar__img {
  width: 100%;
  height: auto;
  display: block;
}

@media (min-width: 661px) {
  .fixed-cta-bar {
    display: none;
  }
}