:root {
  /* ===== 配色 ===== */
  --color-bg-white: #ffffff;
  --color-bg-op-white: rgb(255, 255, 255, .6);
  --color-bg-gray: #f0f0f0;
  --color-bg-mint-green: #dbf4df;
  --color-bg-grad-blue-green: linear-gradient(90deg, rgba(231, 252, 213, 1) 0%, rgba(210, 249, 228, 1) 100%);

  --color-text-white: #ffffff;
  --color-text-black: #333333;
  --color-text-gray: #666666;
  --color-text-green: #32be96;
  --color-text-red: #ff4b00;

  --color-line-gray: #999999;
  --color-line-smoke-gray: #dddddd;
  --color-line-black: #333333;

  --color-grad-blue-green: linear-gradient(90deg, rgba(47, 209, 228, 1) 0%, rgba(119, 222, 111, 1) 100%);
  --color-grad-red-yellow: linear-gradient(90deg, rgba(255, 85, 73, 1) 0%, rgba(251, 188, 42, 1) 78%);


  /* ===== 文字サイズ・行間 ===== */
  --font-set: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
  --fs-root: 16px;
  /* 1rem */
  --fs-xxxs: 0.625rem;
  /* 10px */
  --fs-xxs: 0.75rem;
  /* 12px */
  --fs-xs: 0.8125rem;
  /* 13px */
  --fs-sm: 0.875rem;
  /* 14px */
  --fs-md: 1rem;
  /* 16px */
  --fs-lg: 1.125rem;
  /* 18px */
  --fs-xl: 1.25rem;
  /* 20px */
  --fs-2xl: 1.5rem;
  /* 24px */
  --fs-3xl: 2rem;
  /* 32px */
  --fs-4xl: 2.5rem;
  /* 40px */
  --fs-5xl: 3.25rem;
  /* 52px */

  --lh-tight: 1.6;
  --lh-base: 2;

  --ls-tight: 0.2px;
  --ls-base: 0.4px;
  --ls-lg: 0.6px;
  --ls-xl: 1px;
  --ls-2xl: 2px;
  --ls-3xl: 3px;
  --ls-4xl: 4px;

  /* ===== スペース ===== */
  --space-1: .25rem;
  /* 4px  */
  --space-2: .5rem;
  /* 8px  */
  --space-3: .75rem;
  /* 12px */
  --space-4: 1rem;
  /* 16px */
  --space-6: 1.5rem;
  /* 24px */
  --space-8: 2rem;
  /* 32px */
  --space-12: 3rem;
  /* 48px */
  --space-15: 3.75rem;
  /* 60px */
}





/* ========== 共通 ========== */

html {
  font-size: var(--fs-root);
  height: 100dvh;
  min-height: calc(var(--vh, 1dvh) * 100);
  scroll-behavior: smooth;
  overscroll-behavior: none;
  -webkit-overflow-scrolling: auto;
}

body {
  font-family: var(--font-set);
  line-height: var(--lh-base);
  width: 100%;
  height: 100%;
}

body.is-menu-open {
  overflow: hidden;
  height: 100dvh;
  touch-action: none;
}

.sec-02,
.sec-03,
.sec-04,
.sec-05,
.sec-06,
.sec-07 {
  max-width: 768px;
  margin: 0 auto;
  padding-bottom: var(--space-6);
}

img {
  width: 100%;
  height: auto;
  margin: 0;
  vertical-align: top;
}

ul {
  margin: 0;
  padding: 0;
  list-style-type: none;
}

p {
  color: var(--color-text-black);
  letter-spacing: var(--ls-lg);
  line-height: 32px;
  font-weight: 500;
  margin: 0;
}

a {
  display: block;
  text-decoration: none;
}

a,
area,
button,
input,
label,
select,
summary,
textarea,
[tabindex],
[role="button"] {
  -webkit-tap-highlight-color: transparent;
}


:focus:not(:focus-visible) {
  outline: none;
}

a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible {
  outline: 2px solid var(--color-text-black);
  outline-offset: 3px;
}

::-moz-focus-inner {
  border: 0;
}

address {
  text-decoration: none;
  font-style: normal;
  line-height: var(--lh-tight);
}

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



@media (min-width: 768px) {

  .sec-02,
  .sec-03,
  .sec-04,
  .sec-05,
  .sec-06,
  .sec-07 {
    max-width: 1000px;
    padding-bottom: var(--space-12);
  }
}




@media (min-width: 1000px) {

  .sec-02,
  .sec-03,
  .sec-04,
  .sec-05,
  .sec-06,
  .sec-07 {
    max-width: 1280px;
    padding-top: var(--space-15);
    padding-bottom: var(--space-15);
  }
}


@media (min-width: 1500px) {

  .sec-02,
  .sec-03,
  .sec-04,
  .sec-05,
  .sec-06,
  .sec-07 {
    max-width: 1500px;
  }
}



/* ===== ヘッダー ===== */

header {
  width: 100%;
  height: 75px;
  display: flex;
  align-items: center;
  position: relative;
  top: 0;
  left: 0;
  z-index: 100;
  background-color: var(--color-bg-white);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.06),
    0 4px 12px rgba(0, 0, 0, 0.04);
}

h1 {
  width: 180px;
  height: 48.8px;
  margin: 0;
  padding-left: 14px;
}

h1 a {
  display: inline-flex;
}


/* ---- ナビゲーション ---- */
header .mb-menu {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100dvh;
  min-height: 100%;
  z-index: 1000;

  opacity: 0;
  visibility: hidden;
  pointer-events: none;

  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

header .mb-menu.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  background-color: var(--color-bg-white);
}

header .mb-menu .nav-menu-box {
  height: 100dvh;
  min-height: 100%;
  background: var(--color-bg-white);
}

nav .pc-menu {
  display: none;
}

.header-button {
  position: fixed;
  top: 14px;
  right: 14px;
  width: 48px;
  height: 48px;
  cursor: pointer;
  z-index: 1100;
  border-width: initial;
  border-style: none;
  border-color: initial;
  border-image: initial;
  border-radius: 3px;
  background: var(--color-grad-blue-green);
  padding: 3px;
  filter: drop-shadow(.8px 1px 4px rgba(50, 14, 0, 0.25));
}

.btn {
  width: 42px;
  height: 42px;
  background: url("../images/mb-btn_menu.svg") center center / 100% no-repeat;
}

.header-button.is-open .btn {
  background-image: url("../images/mb-btn_close.svg");
}

.nav-menu-box .img-box {
  width: 100%;
  height: 75px;
  display: flex;
  align-items: center;
  position: relative;
}

.nav-menu-box .img-box::after {
  content: "";
  display: block;
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 0;
  border-bottom: 2px solid var(--color-line-smoke-gray);
}

.mb-menu .nav-menu-wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: calc(100dvh - 75px);
  max-height: 575px;
}

.nav-menu-box .img-box a {
  width: 180px;
  height: 48.8px;
  margin: 0;
  padding-left: 14px;
}

.mb-menu ul {
  width: 70%;
  max-width: 400px;
  margin: 0 auto;
  padding: var(--space-6);
}

.mb-menu li {
  font-size: var(--fs-lg);
  letter-spacing: var(--ls-xl);
  border-bottom: solid 1.5px var(--color-line-smoke-gray);
  position: relative;
  padding-left: var(--space-2);
}

.mb-menu li::after {
  content: "";
  display: block;
  position: absolute;
  top: 50%;
  right: 10px;
  transform: translateY(-50%);
  background: url("../images/icon-arrow_black.svg") center center / contain no-repeat;
  width: 14px;
  height: 14px;
}

.mb-menu li a {
  padding: var(--space-2);
  color: var(--color-text-black);
}

.nav-btn.com_btn-dec-box a {
  position: relative;
  width: 234px;
  height: 36px;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-white);
  color: #32be96;
  border-radius: 999px;
  border: 0 solid transparent;
  filter: drop-shadow(.8px 1px 4px rgba(50, 14, 0, 0.25));
}

.nav-btn.com_btn-dec-box a::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: var(--color-grad-blue-green);

  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  /* -webkit-mask-composite: xor; */
  mask-composite: exclude;
}

.nav-btn.com_btn-dec-box a::after {
  top: 51%;
  right: 26px;
  background: url("../images/icon_external-link.svg") center center / contain no-repeat;
  width: 14px;
  height: 14px;
}



@media (min-width: 768px) {
  header {
    justify-content: space-between;
    width: calc(100% - var(--space-4));
    max-width: 1280px;
    height: 100px;
    margin: 0 auto;
    padding-left: var(--space-4);
  }

  h1 {
    padding-left: 0;
  }

  header .mb-menu,
  header .header-button {
    display: none;
  }

  header .pc-menu {
    display: flex;
    column-gap: clamp(var(--space-3), 1.7vw, var(--space-6));
    height: 100px;
    align-items: center;
  }

  .pc-menu li {
    font-size: clamp(var(--fs-xs), 1.7vw, var(--fs-md));
    font-weight: 600;
    letter-spacing: var(--ls-tight);
    position: relative;
  }

  .pc-menu li::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 5px;
    background: var(--color-grad-blue-green);
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .pc-menu li:hover::after {
    opacity: 1;
  }

  .pc-menu a {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100px;
  }

  .pc-menu li.co-link {
    background: var(--color-grad-blue-green);
    padding: 0 var(--space-3);
  }

  .pc-menu li a {
    color: var(--color-text-black);
  }

  .pc-menu .co-link a {
    color: var(--color-text-white);
  }
}


@media (min-width: 1000px) {
  header {
    max-width: 1500px;
  }

  nav {
    max-width: 840px;
  }

  h1 {
    width: 200px;
    height: 54.2px;
  }

  header .pc-menu {
    justify-content: space-between;
    column-gap: initial;
  }

  .pc-menu li {
    font-size: var(--fs-md);
    letter-spacing: var(--ls-lg);
    width: 100px;
  }

  .pc-menu li.co-link {
    margin-left: var(--space-4);
    padding: 0 var(--space-6);
    opacity: 1;
    transition: opacity 0.3s ease;
  }

  .pc-menu li.co-link:hover {
    opacity: .7;
  }
}


@media (min-width: 1500px) {
  nav {
    max-width: 960px;
  }

  .pc-menu li {
    font-size: var(--fs-lg);
    width: 130px;
    font-weight: 500;
  }
}



/* ===== トップ：共通 ===== */

/* ---- タイトル装飾 ---- */
.top .com_head-dec-box {
  text-align: center;
  padding: var(--space-4) 0;
}

.top .com_head-dec-box .title {
  font-size: var(--fs-3xl);
  font-weight: 700;
  letter-spacing: var(--ls-tight);
  line-height: 32px;
  margin: var(--space-8) 0 var(--space-2);
}

.top .com_head-dec-box .sub-title {
  font-size: var(--fs-md);
  font-weight: 400;
  margin-bottom: var(--space-4);
}

.top .com_head-dec-box .copy {
  width: 90%;
  margin: 0 auto;
  font-size: var(--fs-sm);
  letter-spacing: var(--ls-lg);
  margin-top: var(--space-8);
  line-height: 26px;
}

@media (min-width: 768px) {
  .top .com_head-dec-box .title {
    font-size: var(--fs-4xl);
    line-height: 36px;
    letter-spacing: var(--ls-base);
    margin: var(--space-12) 0 var(--space-4);
  }

  .top .com_head-dec-box .sub-title {
    font-size: var(--fs-lg);
    font-weight: 400;
    margin-bottom: var(--space-6);
  }

  .top .com_head-dec-box .copy {
    font-size: var(--fs-md);
    letter-spacing: var(--ls-xl);
    margin-top: var(--space-12);
    line-height: 32px;
  }
}

@media (min-width: 1280px) {
  .top .com_head-dec-box .title {
    font-size: var(--fs-5xl);
    line-height: 48px;
  }
}


/* ---- ボタン装飾 ---- */
.com_btn-dec-box {
  padding: var(--space-8) 0;
}

.com_btn-dec-box p {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: var(--fs-md);
  letter-spacing: 1.6px;
  margin: 0;
}

.com_btn-dec-box a,
.com_btn-dec-box button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 234px;
  height: 42px;
  padding: var(--space-3) var(--space-6);
  background: var(--color-grad-blue-green);
  color: var(--color-text-white);
  border-radius: 50px;
  filter: drop-shadow(2.3px 2px 4px rgba(50, 14, 0, 0.25));
}

.com_btn-dec-box a {
  opacity: 1;
  transition: opacity 0.3s ease;
}

.com_btn-dec-box a:hover {
  opacity: .7;
}

.com_btn-dec-box a::after,
.com_btn-dec-box button::after {
  content: '';
  display: block;
  position: absolute;
  top: 50%;
  right: 24px;
  transform: translateY(-50%);
  background: url(../images/icon-arrow_white.svg) center no-repeat;
  background-size: contain;
  width: 23px;
  height: 23px;
}

.com_btn-dec-box button {
  box-sizing: content-box;
  border: none;
  cursor: pointer;
  appearance: none;
  font: inherit;
}

.com_btn-dec-box span {
  text-align: center;
  line-height: 22px;
  font-weight: 600;
  margin-top: 1px;
}

.com_btn-dec-box small {
  font-size: var(--fs-xxs);
}


/* ---- アコーディオン本体 ---- */
.accordion-toggle {
  overflow: hidden;
  max-height: 0;
  transition: max-height .8s ease;
}

.accordion-toggle.is-open {
  max-height: 3000px;
}

/* ---- アコーディオン ボタン装飾 ---- */
.com_btn-dec-box button {
  width: 234px;
  height: 36px;
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-white);
  transition:
    background-color 0.5s ease,
    color 0.5s ease;
}

.com_btn-dec-box button::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 999px;
  padding: 2px;
  background: var(--color-grad-blue-green);
  opacity: 0;
  pointer-events: none;

  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  /* -webkit-mask-composite: xor; */
  mask-composite: exclude;

  transition: opacity 0.5s ease;
}

.com_btn-dec-box button::after {
  top: 35%;
  right: 35px;
  transform: translateY(-50%);
  rotate: 90deg;
  width: 23px;
  height: 23px;
}

.com_btn-dec-box button[aria-expanded="true"]::after {
  top: 34%;
  right: 14px;
  transform: translateY(-50%);
  rotate: -90deg;
}

.com_btn-dec-box button:hover {
  position: relative;
  background: var(--color-bg-white);
  color: #32be96;
  border-radius: 999px;
  border: 0 solid transparent;
  transition:
    background-color 0.5s ease,
    color 0.5s ease;
}


/* グラデ枠：ホバー時のみ */
.com_btn-dec-box button:hover::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: var(--color-grad-blue-green);
  opacity: 1;
}

.com_btn-dec-box button:hover::after {
  background-image: url("../images/icon-arrow_green.svg");
}





/* ===== フッター ===== */

footer {
  background: var(--color-grad-blue-green);
  padding: var(--space-2) 0;
}

.ft-container {
  background: var(--color-bg-op-white);
}

.menu-box,
.inner-con {
  width: 90%;
  margin: 0 auto;
  max-width: 450px;
  padding: var(--space-6) var(--space-4);
}

.ft-inner-con-02 .inner-con {
  max-width: 435px;
  padding: var(--space-6) var(--space-3) var(--space-6) var(--space-6);
}

.ft-inner-con-01 .menu-title {
  font-size: var(--fs-lg);
  font-weight: 800;
  letter-spacing: var(--ls-2xl);
  margin: var(--space-6) 0;
  padding-left: var(--space-8);
}

.ft-inner-con-01 ul {
  display: flex;
  flex-direction: column;
  row-gap: var(--space-3);
  padding: 0 var(--space-8);
}

.ft-inner-con-01 .link {
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: var(--ls-xl);
  position: relative;
  padding-left: var(--space-3);
}

.ft-inner-con-01 .link::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 2px;
  transform: translateY(-50%);
  background: var(--color-text-black);
  width: 6px;
  height: 2px;
  margin-top: 1px;
}

.ft-inner-con-01 .link a {
  color: var(--color-text-black);
  display: inline-block;
}

.ft-inner-con-02 .inner-wrap {
  width: 90%;
  margin: 0 auto;
}

.ft-inner-con-02 .img-box {
  width: 90%;
  margin: 0 auto;
  padding-bottom: var(--space-3);
  display: flex;
  align-items: center;
}



.ft-inner-con-02 .img-box img {
  width: 65%;
}

.ft-inner-con-02 .img-box p {
  width: 30%;
  margin-left: var(--space-2);
  padding-top: 4px;
}

.ft-inner-con-02 .flex-box {
  display: flex;
  justify-content: center;
  align-items: center;
  column-gap: var(--space-3);
}

.ft-inner-con-02 address {
  font-size: var(--fs-xxs);
  letter-spacing: var(--ls-base);
  text-align: center;
}



@media (min-width: 768px) {
  footer {
    padding-top: 0;
  }

  .ft-container {
    display: flex;
    flex-direction: row-reverse;
    justify-content: center;
    align-items: center;
    padding: var(--space-6) 0;
    column-gap: var(--space-4);
  }

  .menu-box,
  .inner-con {
    width: 100%;
    max-width: initial;
    padding: 0;
  }

  .ft-inner-con-02 {
    width: 310px;
  }

  .ft-inner-con-02 .inner-con {
    max-width: initial;
    padding: 0;
  }

  .ft-inner-con-02 address {
    font-size: var(--fs-xs);
  }

  .ft-inner-con-01 ul {
    display: grid;
    grid-template-rows: repeat(4, auto);
    grid-auto-flow: column;
    justify-content: center;
    row-gap: var(--space-2);
    column-gap: var(--space-4);
    margin-bottom: var(--space-6);
  }
}

@media (min-width: 1000px) {
  .ft-container {
    column-gap: var(--space-8);
  }

  .ft-inner-con-02 {
    width: 420px;
  }

  .ft-inner-con-01 ul {
    grid-template-rows: repeat(3, auto);
    column-gap: var(--space-6);
  }
}