:root {
  interpolate-size: allow-keywords;

  --Color-SyRed: #f3270f;
  --Color-SyDarkGreen: #2fc5c8;
  --Color-SyGreen: #6dd2d3;
  --Color-SyPink: #ffc5bb;
  --Color-SyLightRed: #fff0ed;
  --Color-SyLightGreen: #eaf9fa;
  --Color-Grey-50: #f5f5f5;
  --Color-White: #fff;
  --Color-Grey-800: #333;
  --Color-SyGrey: #5d5a5a;
  --Color-Grey-400: #999;
  --Color-Grey-150: #d9d9d9;
  --Easing-Bounce: cubic-bezier(0.68, -0.55, 0.27, 1.55);
  --Drop-Shadow: 0px 0px 16px 0px rgba(194, 56, 56, 0.06);
  --Easing-Hover: cubic-bezier(0.38, 0.33, 0.23, 0.99);

  --Filter-SyRed: brightness(0) saturate(100%) invert(24%) sepia(92%)
    saturate(4005%) hue-rotate(355deg) brightness(95%) contrast(99%);
}

@media screen and (max-width: 767px) {
  .anchor-margin {
    scroll-margin-top: 5rem;
  }

  .pc-only {
    display: none;
  }

  .sp-only {
    display: block;
  }
}

@media screen and (min-width: 768px) {
  .anchor-margin {
    scroll-margin-top: 10rem;
  }

  .pc-only {
    display: block;
  }

  .sp-only {
    display: none;
  }
}

/* SP */
@media screen and (max-width: 767px) {
  html {
    font-size: calc(100vw * 16 / 375);
  }
}

@media screen and (max-width: 1440px) and (min-width: 768px) {
  html {
    font-size: calc(100vw * 16 / 1440);
  }
}

@media screen and (min-width: 1441px) {
  html {
    font-size: calc(1440px * 16 / 1440);
  }
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 2rem;
}

body {
  font-family: "Roboto", "Noto Sans JP", sans-serif;
  /* font-feature-settings: "palt" 1; */
  /* letter-spacing: 0.15em; */
  letter-spacing: 0.04em;
  color: var(--Color-Grey-800);

  position: relative;
  overflow-x: hidden;
  overflow-y: visible;

  line-height: 1.75;
  background: linear-gradient(90deg, #ffd5ce 20%, #fff 45%, #d5feff 80%);
}

@keyframes gradient-move {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

@keyframes slide-animation {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-100%);
  }
}

@keyframes text-rotate {
  from {
    rotate: 0;
  }
  to {
    rotate: 360deg;
  }
}

@keyframes draw-circle {
  to {
    stroke-dashoffset: 0;
  }
}

/* .lazy-load {
  content-visibility: auto;
  contain-intrinsic-size: none;
} */

body > img {
  width: 0;
}

img {
  width: 100%;
  height: auto;
}

.line {
  .bar {
    display: block;
    position: fixed;
    z-index: 9999;
  }

  .top,
  .bottom {
    width: 100vw;
    height: 0.75rem;
    background-color: var(--Color-SyRed);

    @media screen and (max-width: 767px) {
      height: 0.5rem;
    }
  }

  .left,
  .right {
    width: 0.75rem;
    height: 100vh;

    @media screen and (max-width: 767px) {
      width: 0.5rem;
    }
  }

  .left {
    background-color: var(--Color-SyGreen);
  }

  .right {
    background-color: var(--Color-SyPink);
  }

  .top {
    top: 0;
    left: 0;
  }

  .bottom {
    bottom: 0;
    left: 0;
  }

  .left {
    top: 0;
    left: 0;
  }

  .right {
    top: 0;
    right: 0;
  }
}

/* ---------- header ---------- */
header {
  position: relative;

  > .logo {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    width: 14.5rem;
    z-index: 1001;

    /* SP */
    @media screen and (max-width: 767px) {
      width: 8.125rem;
      top: 1.25rem;
      left: 1rem;
    }
  }
}

.pc-nav {
  position: fixed;
  top: 1.75rem;
  right: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  z-index: 1000;

  /* SP */
  @media screen and (max-width: 767px) {
    top: 1rem;
    right: 4.25rem;
  }

  .inner {
    display: flex;
    align-items: center;
    background: var(--Color-White);
    border-radius: 3rem;
    box-shadow: 0px 0px 16px 0px rgba(0, 0, 0, 0.08);
    box-shadow: var(--Drop-Shadow);
    padding: 0.25rem 1rem;

    /* SP */
    @media screen and (max-width: 767px) {
      display: none;
    }
  }

  ul {
    display: flex;
    padding-right: 1rem;

    li {
      padding: 0.25rem 0;

      a {
        display: flex;
        font-size: 0.875rem;
        line-height: 1;
        font-weight: 700;
        color: var(--Color-SyGrey);
        padding: 0.75rem 1rem;
        border-radius: 3rem;
        transition: all var(--Easing-Hover) 200ms;
      }
    }
  }

  .sns-share {
    display: flex;
    gap: 1rem;
    padding-left: 2rem;
    padding-right: 1rem;
    border-left: 1px solid var(--Color-Grey-150);
    align-items: center;

    p {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--Color-SyGrey);
    }

    a {
      width: 1.75rem;
      transition: all 300ms var(--Easing-Bounce);
    }
  }

  .entry-button {
    a {
      display: flex;
      padding: 1rem 3.5rem;

      border-radius: 3rem;
      border: 2px solid var(--Color-White, #fff);
      background: linear-gradient(246deg, #b4f4f4 12.25%, #2fc5c8 57.35%);
      box-shadow: 0px 0px 16px 0px rgba(0, 0, 0, 0.08);
      position: relative;
      transition: all 300ms var(--Easing-Bounce);

      /* SP */
      @media screen and (max-width: 767px) {
        padding: 0.75rem 2rem 0.75rem 1.5rem;
      }

      .text {
        font-size: 1rem;
        line-height: 1;
        font-weight: 700;
        color: var(--Color-White);

        /* SP */
        @media screen and (max-width: 767px) {
          font-size: 0.8125rem;
        }
      }

      .icon {
        display: block;
        position: absolute;
        top: 1rem;
        right: 1rem;
        width: 1rem;
        height: 1rem;

        /* SP */
        @media screen and (max-width: 767px) {
          width: 0.75rem;
          height: 0.75rem;
          top: 0.75rem;
          right: 0.75rem;
        }

        img {
          vertical-align: top;
        }
      }

      .bg {
        display: block;
        position: absolute;
        width: 30rem;
        top: 0.5rem;
        left: 0;
      }
    }
  }
}

.sp-menu {
  label {
    z-index: 1020;
    position: fixed;
    top: 1rem;
    right: 1rem;
    width: 2.75rem;
    height: 2.75rem;
    background-color: var(--Color-White);
    box-shadow: var(--Drop-Shadow);
    border-radius: 100%;
    justify-content: center;
    align-items: center;

    display: none;

    /* SP */
    @media screen and (max-width: 767px) {
      display: flex;
    }

    span {
      display: block;
      width: 0.75rem;
      height: 0.625rem;
      background: url(../img/sp-menu-bar.svg);
      background-size: cover;
      background-repeat: no-repeat;
    }
  }

  #sp-menu-toggle:checked + label {
    span {
      width: 0.75rem;
      height: 0.75rem;
      background-image: url(../img/sp-menu-cross.svg);
    }
  }

  #sp-menu-toggle:checked ~ .sp-nav {
    transform: translateX(0);
    opacity: 1;
  }

  .sp-nav {
    /* display: none; */
    opacity: 0;
    transform: translateX(100%);
    transition: all 400ms cubic-bezier(0.4, 0.4, 0, 1);
  }

  .sp-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1010;

    .bg {
      display: block;
      position: absolute;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      /* background-color: rgb(0, 0, 0, 0.2); */
      z-index: -1;
    }

    .inner {
      text-align: center;
      padding-left: 1rem;
      /* background: linear-gradient(
        135deg,
        #ffe9e5 0%,
        #ffffff 60%,
        #d5feff 100%
      ); */
      /* background-size: 200% 200%;
      animation: gradient-move 10s ease infinite; */
      background: var(--Color-White);
      box-shadow: var(--Drop-Shadow);

      margin-left: 3rem;
      padding-right: 1rem;
      padding-top: 3rem;
      height: 100%;
      box-sizing: border-box;
      border-radius: 1.5rem 0 0 1.5rem;

      .msd-logo {
        margin: 0 2rem;
        /* margin-top: 5rem; */
      }

      ul {
        margin-top: 2rem;
        display: flex;
        flex-direction: column;
        gap: 1.5rem;

        li {
          a {
            font-size: 0.875rem;
            line-height: 1;
            font-weight: 700;
            color: var(--Color-SyGrey);
          }
        }
      }

      .entry-button {
        display: flex;
        justify-content: center;

        a {
          display: flex;
          padding: 1rem 4rem;
          margin-top: 2rem;
          border-radius: 3rem;
          border: 2px solid var(--Color-White, #fff);
          background: linear-gradient(246deg, #b4f4f4 12.25%, #2fc5c8 57.35%);
          box-shadow: 0px 0px 16px 0px rgba(0, 0, 0, 0.08);
          box-shadow: var(--Drop-Shadow);
          position: relative;

          .text {
            font-size: 1rem;
            line-height: 1;
            font-weight: 700;
            color: var(--Color-White);
          }

          .icon {
            display: block;
            position: absolute;
            top: 1rem;
            right: 1rem;
            width: 1rem;
            height: 1rem;

            img {
              vertical-align: top;
            }
          }

          .bg {
            display: block;
            position: absolute;
            width: 30rem;
            top: 0.5rem;
            left: 0;
          }
        }
      }

      .sns-share {
        display: flex;
        gap: 1rem;
        justify-content: center;
        align-items: center;
        margin-top: 2rem;
        margin: 2rem 3rem 0;
        padding: 1rem;
        border-top: 1px solid var(--Color-Grey-150);
        /* border-bottom: 1px solid var(--Color-Grey-150); */

        p {
          font-size: 0.75rem;
          font-weight: 700;
          color: var(--Color-SyGrey);
        }

        a {
          width: 2rem;
        }
      }
    }
  }
}

@media (hover: hover) and (pointer: fine) {
  .pc-nav ul a:hover {
    background-color: var(--Color-Grey-50);
  }

  .sns-share a:hover {
    scale: 1.15;
  }

  .entry-button a:hover {
    scale: 1.05;
  }
}


/* ---------- cv ---------- */
.cv {
  position: relative;
  background: linear-gradient(
    90deg,
    #ffb4ac 0%,
    #f3270f 38%,
    #f3270f 65%,
    #ffb4ac 100%
  );
  mask-image: url("data:image/svg+xml;base64,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");
  mask-size: cover;
  mask-repeat: no-repeat;

  /* SP */
  @media screen and (max-width: 767px) {
    /* mask-image: url("data:image/svg+xml;base64,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"); */
    mask-image: url("data:image/svg+xml;base64,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");
    mask-position: center top;
  }

  .inner {
    max-width: 70rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 4.5rem 0 4rem;

    /* SP */
    @media screen and (max-width: 767px) {
      padding: 3rem 0 2rem;
      margin: 0 1.5rem;
    }

    .lead {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--Color-White);
      text-align: center;
      font-family: "Roboto", "M PLUS 1p", sans-serif;
      transform: rotate(0.05deg);

      /* SP */
      @media screen and (max-width: 767px) {
        font-size: 1rem;
      }
    }

    .button {
      a {
        display: block;
        border-radius: 3.5rem;
        background: linear-gradient(246deg, #b4f4f4 12%, #8decee 58%);
        padding: 0.5rem;
        transition: all 300ms var(--Easing-Bounce);

        /* SP */
        @media screen and (max-width: 767px) {
          padding: 0.25rem;
        }

        > div {
          display: flex;
          padding: 1.5rem 10rem;
          border-radius: 3rem;
          border: 0.25rem solid var(--Color-White, #fff);
          background: linear-gradient(246deg, #b4f4f4 12%, #2fc5c8 58%);
          box-shadow: 0px 0px 16px 0px rgba(0, 0, 0, 0.08);
          box-shadow: var(--Drop-Shadow);
          position: relative;
          transition: all 300ms var(--Easing-Bounce);
          width: fit-content;
          overflow: hidden;

          /* SP */
          @media screen and (max-width: 767px) {
            padding: 1.25rem 4rem;
            border-width: 0.125rem;
          }
        }

        .text {
          font-size: 1.125rem;
          line-height: 1;
          font-weight: 700;
          color: var(--Color-White);

          /* SP */
          @media screen and (max-width: 767px) {
            font-size: 1rem;
          }
        }

        .icon {
          display: block;
          position: absolute;
          top: 1.375rem;
          right: 1.5rem;
          width: 1.5rem;
          height: 1.5rem;
          z-index: 2;

          /* SP */
          @media screen and (max-width: 767px) {
            width: 1.25rem;
            height: 1.25rem;
            top: 1.125rem;
            right: 1rem;
          }

          img {
            vertical-align: top;
          }
        }

        .bg {
          display: block;
          position: absolute;
          width: 42rem;
          top: 0.5rem;
          left: 0;
          opacity: 0.15;
          overflow: hidden;

          /* SP */
          @media screen and (max-width: 767px) {
            width: 29rem;
            top: 0.75rem;
          }
        }
      }
    }

    .s-mark {
      position: absolute;
      top: 0;
      left: 3rem;
      width: 18.75rem;
      z-index: -1;

      /* SP */
      @media screen and (max-width: 767px) {
        width: 13rem;
        top: -1rem;
        left: -3rem;
      }
    }

    .heart {
      position: absolute;
      bottom: 0;
      right: 0;
      width: 15rem;
      z-index: -1;

      /* SP */
      @media screen and (max-width: 767px) {
        width: 7rem;
      }
    }
  }
}

@media (hover: hover) and (pointer: fine) {
  .cv a:hover {
    scale: 1.05;
  }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  overflow-x: clip;
  overflow-y: clip;
  /* 直後のCV帯のアーチで、FV画像（人物）の下端の切れ目を隠す */
  padding-bottom: 7.75rem;
  margin-bottom: -10rem;

  /* SP */
  @media screen and (max-width: 767px) {
    margin-bottom: -7rem;
    padding-bottom: 5.125rem;
  }

  /* FV直後のCV帯をFV画像より手前に出す */
  & + .cv {
    z-index: 2;
  }

  .hero-inner {
    z-index: 1;
    position: relative;
    max-width: 78rem;
    margin: 0 auto;
    display: flex;

    /* SP */
    @media screen and (max-width: 767px) {
      margin: 0 1.5rem;
    }

    /* FV画像（Figma「FV」グループ 1158×525 を2xで書き出し） */
    .title {
      margin: 7.25rem auto 0;
      width: min(72.375rem, 100%);

      /* SP：fv-sp.png は375px幅いっぱいで作っているので左右の余白を打ち消す */
      @media screen and (max-width: 767px) {
        margin: 5rem -1.5rem 0;
        width: calc(100% + 3rem);
      }

      img {
        display: block;
        width: 100%;
        height: auto;
      }
    }

    .badge {
      position: absolute;
      top: 9rem;
      left: 33rem;
      width: 8.75rem;
      height: 8.75rem;
      display: flex;
      justify-content: center;
      align-items: center;

      /* SP */
      @media screen and (max-width: 767px) {
        top: 29rem;
        left: -0.25rem;
        width: 5rem;
        height: 5rem;
      }

      &:after {
        content: "";
        display: block;
        width: 100%;
        aspect-ratio: 1/1;
        background: url(../img/20th-badge-bg.svg);
        background-size: cover;
        background-repeat: no-repeat;
        position: absolute;
        top: 0;
        left: 0;
        z-index: -1;
        filter: drop-shadow(0 0 1rem rgba(0, 0, 0, 0.08));
        animation: text-rotate 50s linear infinite;
      }

      img {
        width: 4.5rem;
        margin-bottom: 0.5rem;

        /* SP */
        @media screen and (max-width: 767px) {
          width: 2.75rem;
          margin-bottom: 0.25;
        }
      }
    }
  }

  .hero-canvas {
    position: absolute;
    top: -8.8rem;
    left: 50%;
    margin-left: -20rem;
    /* right: -25rem; */
    rotate: -5deg;

    @media screen and (max-width: 1200px) and (min-width: 768px) {
      top: -17rem;
      margin-left: -25rem;
    }

    /* SP */
    @media screen and (max-width: 767px) {
      top: -1.5rem;
      margin-left: -42.3rem;
      scale: 0.52;
      rotate: -7deg;
    }
  }

  .bg-fill {
    .fill {
      position: absolute;
      width: 100%;
      height: 100%;
      z-index: -1;

      &.--01 {
        top: 0;
        left: 0;
        background: linear-gradient(
          135deg,
          #ffe9e5 0%,
          #ffffff 30%,
          #ffffff 70%,
          #d5feff 100%
        );
        background-size: 200% 200%;
        animation: gradient-move 10s ease infinite;
      }

      &.--02 {
        bottom: 0;
        left: 0;
        background: linear-gradient(101deg, #d5feff 0%, #fff 65%, #ffd5ce 100%);
        background-size: 200% 200%;
        animation: gradient-move 10s ease infinite;

        mask-image: linear-gradient(to top, black 0%, transparent 100%);
        mask-size: 100% 100%;
        mask-repeat: no-repeat;
      }
    }
  }

  /* ビジネス街のシルエット（2xで書き出し・不透明度はPNGに焼き込み済み） */
  .bg-city {
    position: relative;
    z-index: -1;

    /* SP */
    @media screen and (max-width: 767px) {
      display: none;
    }

    .city {
      position: absolute;
      top: 8.125rem;
      left: 50%;
      translate: -50% 0;
      width: 103.3125rem;
      max-width: none;
    }
  }

  .bg-wave {
    position: relative;
    z-index: -1;

    .wave {
      position: absolute;

      &.--01 {
        top: 0;
        left: 0;

        /* SP */
        @media screen and (max-width: 767px) {
          width: 45rem;
          top: -3rem;
        }
      }

      &.--02 {
        top: 20rem;
        right: 0;

        /* SP */
        @media screen and (max-width: 767px) {
          width: 35rem;
          top: 13rem;
        }
      }
    }
  }
}



/* ---------- section ---------- */
.section {
  filter: drop-shadow(0 0px 8px rgba(0, 0, 0, 0.06));
  .section-header {
    height: 14rem;
    position: relative;
    z-index: 1;
    padding: 5rem 0 0;
    margin: 0 0.75rem;

    /* SP */
    @media screen and (max-width: 767px) {
      height: 10rem;
      margin: 0 0.5rem;
    }

    .section-title {
      .inner {
        width: 25rem;
        height: 4.5rem;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        background-color: var(--Color-White);
        border-top-left-radius: 3rem;
        border-top-right-radius: 3rem;
        position: relative;

        /* SP */
        @media screen and (max-width: 767px) {
          width: 13rem;
          height: 3rem;
        }

        &::after {
          content: "";
          display: block;
          width: 2.5rem;
          height: 2.5rem;
          background: url(../img/section-corner.svg);
          background-size: cover;
          position: absolute;
          bottom: 0;
          right: -2.4rem;

          /* SP */
          @media screen and (max-width: 767px) {
            right: -1.5rem;
          }
        }
      }

      .ja {
        font-size: 2.25rem;
        font-weight: 700;
        color: var(--Color-SyRed);
        font-family: "Roboto", "M PLUS 1p", sans-serif;
        transform: rotate(0.05deg);
        text-align: center;
        margin-top: 1.5rem;

        position: relative;
        overflow: hidden;
        display: inline-block;

        span {
          display: inline-block;
          transform: translateY(100%);
          opacity: 0;
          transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55),
            opacity 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55); /* アニメーション設定 */
        }

        /* SP */
        @media screen and (max-width: 767px) {
          font-size: 1.5rem;
        }
      }

      .line {
        width: 14.375rem;
        position: absolute;
        top: 1rem;
        left: 5rem;

        svg {
          width: 100%;
          height: 100%;
        }

        path {
          opacity: 0;
          stroke-dasharray: 0;
          stroke-dashoffset: 0;
        }

        /* SP */
        @media screen and (max-width: 767px) {
          width: 9rem;
          left: 1.75rem;
        }
      }

      &.animate .ja span {
        transform: translateY(0);
        opacity: 1;
      }
      &.animate .line path {
        opacity: 1;
        animation: draw-circle 800ms ease-out forwards;
        animation-delay: 200ms;
        /* stroke-dasharray の値は、<path> の全長に合わせて調整が必要 */
        stroke-dasharray: 520;
        stroke-dashoffset: 520;
      }
    }

    .en {
      position: absolute;
      top: 1rem;
      right: 2rem;
      font-size: 6rem;
      font-weight: 700;
      color: var(--Color-White);

      /* SP */
      @media screen and (max-width: 767px) {
        font-size: 4rem;
        right: auto;
        left: 1rem;
        top: 0;
      }
    }

    .margin {
      background-color: var(--Color-White);
      height: 5rem;
      border-top-right-radius: 3rem;
      margin-top: -1px;
    }
  }

  .section-content {
    background-color: var(--Color-White);
    padding-bottom: 5rem;
    border-radius: 0 0 3rem 3rem;
    box-sizing: var(--Drop-Shadow);
    margin: 0 0.75rem;

    position: relative;
    z-index: 2;

    /* SP */
    @media screen and (max-width: 767px) {
      margin: 0 0.5rem;
      padding-bottom: 3rem;
      border-radius: 1.5rem;
    }

    .section-inner {
      max-width: 70rem;
      margin: 0 auto;
      padding-top: 3rem;

      /* SP */
      @media screen and (max-width: 767px) {
        padding-top: 2rem;
        margin: 0 1rem;
      }
    }
  }
}

/* ---------- concept ---------- */
.concept {

  .section-content {
    position: relative;
    overflow-y: clip;
    overflow-x: clip;
  }
  .introduction {
    .concept-main-copy {
      font-size: 3rem;
      font-weight: 700;
      line-height: 1.4;
      color: var(--Color-SyRed);
      text-align: center;
      font-family: "Roboto", "M PLUS 1p", sans-serif;
      transform: rotate(0.05deg);
      position: relative;
      width: fit-content;
      margin-inline: auto;
      padding: 1.25rem 2.5rem;

      /* SP */
      @media screen and (max-width: 767px) {
        font-size: 1.875rem;
        padding: 1rem 1.5rem;
      }

      /* かぎかっこ（元デザインの main-copy-pc.svg と同じ 32×41・線幅4px） */
      &::before,
      &::after {
        content: "";
        position: absolute;
        width: 2rem;
        height: 2.5625rem;
        border-color: var(--Color-SyRed);
        border-style: solid;
        border-width: 0;

        /* SP */
        @media screen and (max-width: 767px) {
          width: 1.5rem;
          height: 2rem;
        }
      }

      &::before {
        top: 0;
        left: 0;
        border-top-width: 0.25rem;
        border-left-width: 0.25rem;
      }

      &::after {
        right: 0;
        bottom: 0;
        border-right-width: 0.25rem;
        border-bottom-width: 0.25rem;
      }
    }

    .concept-lead {
      margin-top: 1.5rem;
      font-size: 2.25rem;
      font-weight: 700;
      color: var(--Color-SyDarkGreen);
      text-align: center;
      font-family: "Roboto", "M PLUS 1p", sans-serif;
      transform: rotate(0.05deg);
      position: relative;

      /* SP */
      @media screen and (max-width: 767px) {
        font-size: 1.25rem;
        text-align: left;
        padding-left: 6rem;
        line-height: 1.5;
      }

      &::before {
        content: "";
        display: inline-block;
        width: 4rem;
        height: 0.125rem;
        background-color: var(--Color-SyDarkGreen);
        vertical-align: middle;
        margin-right: 1rem;

        /* SP */
        @media screen and (max-width: 767px) {
          position: absolute;
          top: 1rem;
          left: 2rem;
          width: 3rem;
        }
      }
    }

    .concept-text {
      margin-top: 1rem;
      font-size: 1.125rem;
      text-align: center;

      /* SP */
      @media screen and (max-width: 767px) {
        font-size: 0.875rem;
        text-align: left;
      }
    }
  }

  .marketing-site {
    margin-top: 5rem;

    /* SP */
    @media screen and (max-width: 767px) {
      margin-top: 4rem;
    }

    dl {
      display: flex;
      justify-content: center;

      /* SP */
      @media screen and (max-width: 767px) {
        flex-direction: column;
      }

      dt {
        width: fit-content;
        background-color: var(--Color-SyRed);
        border-radius: 0.5rem;
        font-size: 1.125rem;
        font-weight: 700;
        color: var(--Color-White);
        padding: 1.5rem 1.75rem;
        align-self: flex-start;
        margin-top: -2rem;
        margin-right: -2rem;
        z-index: 2;
        position: relative;

        /* SP */
        @media screen and (max-width: 767px) {
          padding: 1rem 1.5rem;
          font-size: 1rem;
          margin-left: 2.5rem;
        }

        &::after {
          position: absolute;
          bottom: -1.25rem;
          left: 12rem;
          content: url("data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTkiIGhlaWdodD0iMjMiIHZpZXdCb3g9IjAgMCAxOSAyMyIgZmlsbD0ibm9uZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KICA8cGF0aCBkPSJNMTguMjUgMjAuOTM5OVYyQzE4LjI1IDAuODk1NDMxIDE3LjM1NDYgMCAxNi4yNSAwSDIuMjIwNDFDMC41Nzc4MDMgMCAtMC4zNjQ0MjYgMS44NzA1MiAwLjYxMzMwMiAzLjE5MDQ2TDE0LjY0MjkgMjIuMTMwNEMxNS43OTA1IDIzLjY3OTcgMTguMjUgMjIuODY4IDE4LjI1IDIwLjkzOTlaIiBmaWxsPSIjRjMyNzBGIi8+Cjwvc3ZnPg==");
          display: block;
          width: 1.5rem;
          height: 2rem;

          /* SP */
          @media screen and (max-width: 767px) {
            left: 8rem;
          }
        }
      }

      dd {
        width: fit-content;
        border: 0.125rem solid var(--Color-Grey-150);
        border-radius: 0.5rem;
        padding: 1rem 3rem;
        font-size: 1rem;
        font-weight: 700;
        text-align: center;
        position: relative;

        /* SP */
        @media screen and (max-width: 767px) {
          margin-top: -0.75rem;
          margin-left: 0.5rem;
          margin-right: 0.5rem;
          padding: 1.5rem 1rem 1rem;
          text-align: left;
          font-size: 0.75rem;
          line-height: 1.75;
        }

        &::after {
          content: "";
          display: block;
          background: url(../img/attention.svg);
          width: 2rem;
          aspect-ratio: 34/31;
          background-size: cover;
          position: absolute;
          top: -1.75rem;
          right: -1.75rem;

          /* SP */
          @media screen and (max-width: 767px) {
            width: 1.5rem;
            top: -1.35rem;
            right: -1rem;
          }
        }
      }
    }
  }

  .declaration {
    margin-top: 5rem;

    /* SP */
    @media screen and (max-width: 767px) {
      margin-top: 4rem;
    }

    .declaration-title {
      text-align: center;
      font-size: 2.5rem;
      font-weight: 700;
      font-family: "Roboto", "M PLUS 1p", sans-serif;
      transform: rotate(0.05deg);
      vertical-align: bottom;
      position: relative;

      /* SP */
      @media screen and (max-width: 767px) {
        font-size: 1.5rem;
      }

      &::before {
        content: "";
        display: block;
        width: 100vw;
        height: auto;
        aspect-ratio: 1460/250;
        position: absolute;
        top: -7rem;
        left: 50%;
        transform: translate(-50%);
        z-index: -1;
        background: url(../img/declaration-line-pc.svg);
        background-size: cover;
        background-repeat: no-repeat;

        /* SP */
        @media screen and (max-width: 767px) {
          top: -1rem;
          aspect-ratio: 375/150;
          background-image: url(../img/declaration-line-sp.svg);
        }
      }

      strong {
        margin-left: 1rem;
        color: var(--Color-SyRed);
        position: relative;
        white-space: nowrap;

        span {
          font-size: 5rem;
          line-height: 1;
          /* SP */
          @media screen and (max-width: 767px) {
            font-size: 4rem;
          }
        }

        .circle {
          position: absolute;
          top: -2rem;
          left: -1rem;
          width: 15.625rem;
          aspect-ratio: 250/94;

          /* SP */
          @media screen and (max-width: 767px) {
            font-size: 4rem;
            width: 11rem;
            top: -4.5rem;
            left: -1rem;
          }
        }
      }
    }

    .declaration-list {
      display: flex;
      gap: 2.5rem;
      margin-top: 4rem;
      margin-bottom: 5rem;

      /* SP */
      @media screen and (max-width: 767px) {
        flex-direction: column;
        margin-bottom: 4rem;
        margin-top: 2.5rem;
      }

      li {
        padding: 1.25rem 1.25rem 2rem;
        position: relative;
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
        flex: 1;

        /* SP */
        @media screen and (max-width: 767px) {
          gap: 1rem;
        }

        &::before,
        &::after {
          content: "";
          display: block;
          width: 100%;
          height: 100%;
          position: absolute;
        }

        &::before {
          top: 0;
          left: 5.5rem;
          border-top: 0.25rem solid var(--Color-SyRed);
          border-right: 0.25rem solid var(--Color-SyRed);
          border-top-right-radius: 1.5rem;
          width: calc(100% - 5.5rem);
          height: calc(100% - 1rem);

          /* SP */
          @media screen and (max-width: 767px) {
            left: 6rem;
            width: calc(100% - 6rem);
            border-width: 0.125rem;
          }
        }

        &::after {
          top: 3rem;
          left: 0;
          border-bottom: 0.25rem solid var(--Color-SyRed);
          border-left: 0.25rem solid var(--Color-SyRed);
          border-bottom-left-radius: 1.5rem;
          width: calc(100% - 1rem);
          height: calc(100% - 3rem);

          /* SP */
          @media screen and (max-width: 767px) {
            border-width: 0.125rem;
            top: 2rem;
            height: calc(100% - 2rem);
          }
        }

        .balloon {
          position: absolute;
          top: -2rem;
          left: -1.75rem;
          width: 6.5rem;
          aspect-ratio: 120/90;
          background: url(../img/declaration-balloon.svg);
          background-size: contain;
          background-repeat: no-repeat;
          font-size: 0.875rem;
          color: var(--Color-White);
          font-weight: 700;
          text-align: center;
          z-index: 3;
          line-height: 1;

          display: flex;
          align-items: center;
          justify-content: center;
          padding-bottom: 0.5rem;

          /* SP */
          @media screen and (max-width: 767px) {
            width: 6rem;
            top: -1.75rem;
            left: -0.5rem;
            font-size: 0.875rem;
            padding-bottom: 0.5rem;
          }

          span {
            padding-bottom: 0.375rem;
            font-size: 2rem;
            margin-left: 0.125rem;
            line-height: 1;
            /* SP */
            @media screen and (max-width: 767px) {
              font-size: 1.75rem;
            }
          }
        }

        .subheading {
          padding: 1.5rem 1rem;
          text-align: center;
          font-size: 1.25rem;
          font-weight: 700;
          text-wrap: balance;
          color: var(--Color-White);
          background-color: var(--Color-SyRed);
          border-radius: 1rem;

          /* SP */
          @media screen and (max-width: 767px) {
            padding: 1rem;
            border-radius: 1rem;
            font-size: 1.1875rem;
          }
        }

        .text {
          font-size: 1.125rem;
          padding: 0 0.875rem;

          /* SP */
          @media screen and (max-width: 767px) {
            font-size: 0.875rem;
            padding: 0 0.5rem;
          }

          strong {
            font-weight: 700;
          }
        }
      }
    }
  }

  .problem {
    .problem-title {
      text-align: center;
      font-size: 2.5rem;
      font-weight: 700;
      font-family: "Roboto", "M PLUS 1p", sans-serif;
      transform: rotate(0.05deg);
      vertical-align: bottom;
      position: relative;
      width: fit-content;
      margin: 0 auto;
      margin-top: 1rem;

      /* SP */
      @media screen and (max-width: 767px) {
        font-size: 1.5rem;
      }

      &::before {
        content: "";
        display: block;
        width: 3.5rem;
        aspect-ratio: 67/79;
        position: absolute;
        top: 0.5rem;
        left: -5rem;
        background: url(../img/thinking-mark.svg);
        background-size: cover;

        /* SP */
        @media screen and (max-width: 767px) {
          width: 2.5rem;
          left: -2.5rem;
          top: 2rem;
        }
      }

      strong {
        margin-left: 1rem;
        color: var(--Color-SyRed);
        position: relative;
        line-height: 1;

        span {
          font-size: 4rem;
          margin-left: 0.5rem;

          /* SP */
          @media screen and (max-width: 767px) {
            font-size: 3rem;
          }
        }

        .circle {
          position: absolute;
          top: -1.75rem;
          left: -1rem;
          width: 21rem;
          aspect-ratio: 21/4;

          /* SP */
          @media screen and (max-width: 767px) {
            width: 15rem;
            font-size: 3rem;
            top: -1.5rem;
            left: -0.5rem;
          }
        }
      }
    }

    .problem-lead {
      margin-top: 1rem;
      text-align: center;
      font-size: 1.25rem;
      font-weight: 700;

      /* SP */
      @media screen and (max-width: 767px) {
        margin-top: 1.5rem;
        font-size: 0.875rem;
      }

      strong {
        color: var(--Color-SyRed);
      }
    }

    .ranking {
      display: flex;
      gap: 2rem;
      margin-top: 3rem;

      /* SP */
      @media screen and (max-width: 767px) {
        margin-top: 1.5rem;
        flex-direction: column;
        gap: 2rem;
      }

      .ranking-list {
        flex: 1;
        /* border: 0.125rem solid var(--Color-Grey-150); */
        border-radius: 1.5rem;
        overflow: hidden;
        isolation: isolate; /* for iOS bug */
        box-shadow: var(--Drop-Shadow);

        li {
          overflow: hidden;
          &:not(:last-child) {
            border-bottom: 1px solid var(--Color-Grey-150);
          }
          a {
            display: flex;
            gap: 1rem;
            height: 4rem;
            align-items: center;
            position: relative;
            transition: all 200ms var(--Easing-Hover);

            &::after {
              content: "";
              display: block;
              position: absolute;
              width: 1.25rem;
              height: 1.25rem;
              top: 50%;
              right: 1.5rem;
              margin-top: -0.5rem;
              background: url(../img/arrow-bottom-r.svg);
              background-size: contain;
              background-repeat: no-repeat;

              /* SP */
              @media screen and (max-width: 767px) {
                width: 1rem;
                height: 1rem;
                right: 1rem;
              }
            }

            .rank {
              width: 5rem;
              height: 100%;
              display: flex;
              flex-shrink: 0;
              /* align-items: center; */
              align-items: end;
              justify-content: center;
              text-align: center;
              font-weight: 700;
              background-color: var(--Color-Grey-50);
              font-size: 1.5rem;
              gap: 0.25rem;
              transition: all 400ms var(--Easing-Hover);
              line-height: 1;
              padding-bottom: 1.375rem;
              overflow: hidden;

              /* SP */
              @media screen and (max-width: 767px) {
                width: 4rem;
                font-size: 1.25rem;
              }

              span {
                font-size: 0.75rem;
                padding-bottom: 0.125rem;
              }
            }

            .text {
              font-size: 1rem;

              /* SP */
              @media screen and (max-width: 767px) {
                font-size: 0.875rem;
                padding-right: 3rem;
              }
            }
          }
        }
      }
    }
  }

  .keynote {
    margin-top: 6rem;

    /* SP */
    @media screen and (max-width: 767px) {
      margin-top: 4rem;
    }

    .keynote-lead {
      font-size: 1.25rem;
      font-weight: 700;
      text-align: center;
      position: relative;
      z-index: 2;

      /* SP */
      @media screen and (max-width: 767px) {
        font-size: 1.125rem;
      }
    }

    .keynote-title {
      font-size: 2.5rem;
      font-weight: 700;
      text-align: center;
      color: var(--Color-SyRed);
      position: relative;
      font-family: "Roboto", "M PLUS 1p", sans-serif;
      transform: rotate(0.05deg);

      /* SP */
      @media screen and (max-width: 767px) {
        font-size: 1.625rem;
      }

      &::before {
        content: "";
        display: block;
        width: 100vw;
        height: auto;
        aspect-ratio: 1560/370;
        position: absolute;
        top: -4.5rem;
        left: 50%;
        transform: translate(-50%);
        z-index: -1;
        background: url(../img/keynote-line-pc.svg);
        background-size: cover;
        background-repeat: no-repeat;
        z-index: -1;

        /* SP */
        @media screen and (max-width: 767px) {
          background-image: url(../img/keynote-line-sp.svg);
          aspect-ratio: 375/120;
          top: -4rem;
        }
      }
    }

    .keynote-sessions {
      display: flex;
      gap: 2rem;
      margin-top: 3rem;
      position: relative;
      z-index: 2;

      /* SP */
      @media screen and (max-width: 767px) {
        flex-direction: column;
        gap: 1rem;
        margin-top: 1.5rem;
      }

      .keynote-item {
        border-radius: 1.5rem;
        overflow: hidden;
        flex: 1;
        border: 0.5rem solid transparent;
        box-shadow: var(--Drop-Shadow);
        background-color: var(--Color-White);
        transition: all 300ms var(--Easing-Bounce);

        &.--01 {
          /* border-color: var(--Color-SyRed); */
          .keynote-item-title {
            background-color: var(--Color-SyRed);
          }
        }
        &.--02 {
          /* border-color: var(--Color-SyDarkGreen); */
          .keynote-item-title {
            background-color: var(--Color-SyDarkGreen);
          }
        }

        .keynote-item-title {
          position: relative;
          overflow: hidden;
          padding: 0.55rem;
          text-align: center;

          .en {
            position: absolute;
            top: 0;
            left: 0;
            opacity: 0.2;
            font-size: 3.5rem;
            font-weight: 700;
            color: var(--Color-White);
            line-height: 1;

            /* SP */
            @media screen and (max-width: 767px) {
              font-size: 2.5rem;
            }
          }
          .day {
            color: var(--Color-White);
            font-size: 1.5rem;
            font-weight: 700;

            /* SP */
            @media screen and (max-width: 767px) {
              font-size: 1.125rem;
            }
          }
        }

        .speaker-info {
          padding: 1rem 10rem 1rem 1.75rem;
          display: flex;
          align-items: center;
          position: relative;

          /* SP */
          @media screen and (max-width: 767px) {
            padding: 1rem 0.5rem 1rem 1rem;
          }

          .text-info {
            flex: 1;

            .title {
              font-size: 1.125rem;
              font-weight: 700;
              min-height: 5rem;

              /* SP */
              @media screen and (max-width: 767px) {
                font-size: 0.875rem;
                min-height: 0;
              }

              span {
                display: block;
                font-size: 0.875rem;

                /* SP */
                @media screen and (max-width: 767px) {
                  font-size: 0.75rem;
                }
              }
            }

            .company {
              margin-top: 0.5rem;
              font-size: 0.8125rem;
              color: var(--Color-SyGrey);

              /* SP */
              @media screen and (max-width: 767px) {
                font-size: 0.75rem;
              }
            }

            .name {
              font-size: 1rem;
              font-weight: 700;

              /* SP */
              @media screen and (max-width: 767px) {
                font-size: 0.8125rem;
              }
            }
          }
          .img {
            position: absolute;
            right: 0;
            bottom: 0;
            width: 13rem;

            /* SP */
            @media screen and (max-width: 767px) {
              position: relative;
              width: 7rem;
            }
          }
        }
      }
    }
  }
}

/* ---------- program ---------- */
.program {
  margin-bottom: 5rem;

  /* SP */
  @media screen and (max-width: 767px) {
    margin-bottom: 3rem;
  }

  .program-wrapper {
    max-width: 80rem;
    margin: 0 auto;
    padding: 1rem 0 4rem;
    border-radius: 3rem;
    background-color: var(--Color-SyLightRed);

    /* SP */
    @media screen and (max-width: 767px) {
      padding: 0 0 2rem;
      border-radius: 1rem;
      margin-top: 0.5rem;
    }

    &.--01 {
      margin-bottom: 5rem;
      background-color: var(--Color-SyLightRed);

      /* SP */
      @media screen and (max-width: 767px) {
        margin-bottom: 3rem;
      }
      .program-title {
        .day {
          color: var(--Color-SyRed);
        }
        .time {
          color: var(--Color-SyRed);

          &::before {
            background-color: var(--Color-SyRed);
          }
        }
        .theme {
          background: var(--Color-SyRed);
        }
      }

      .program-list {
        .session {
          border-color: var(--Color-SyRed);
          .num-info {
            background-color: var(--Color-SyRed);
          }

          .session-detail {
            .header-info {
              .type {
                color: var(--Color-SyRed);
                &.is-special {
                  background-color: var(--Color-SyLightRed);
                }
              }
            }
          }
        }
      }
    }
    &.--02 {
      margin-top: 6rem;
      background-color: var(--Color-SyLightGreen);

      /* SP */
      @media screen and (max-width: 767px) {
        margin-top: 3rem;
      }

      .program-title {
        .day {
          color: var(--Color-SyDarkGreen);
        }
        .time {
          color: var(--Color-SyDarkGreen);

          &::before {
            background-color: var(--Color-SyDarkGreen);
          }
        }
        .theme {
          background: var(--Color-SyDarkGreen);
        }
      }
      .program-list {
        .session {
          border-color: var(--Color-SyDarkGreen);
          .num-info {
            background-color: var(--Color-SyDarkGreen);
          }
          .session-detail {
            .header-info {
              .type {
                color: var(--Color-SyDarkGreen);
                &.is-special {
                  background-color: var(--Color-SyLightGreen);
                }
              }
            }
          }
        }
      }
    }
  }

  .program-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;

    /* SP */
    @media screen and (max-width: 767px) {
      flex-direction: column;
      gap: 1rem;
      margin-bottom: 1.5rem;
    }

    .day-wrapper {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 1rem;
    }

    .day {
      font-size: 4rem;
      line-height: 1;

      /* SP */
      @media screen and (max-width: 767px) {
        font-size: 2rem;
      }
    }
    .time {
      font-size: 2.5rem;
      line-height: 1.1;
      /* SP */
      @media screen and (max-width: 767px) {
        font-size: 1.5rem;
      }

      &::before {
        content: "";
        display: inline-block;
        width: 0.75rem;
        height: 0.5rem;
        margin-right: 1rem;
        vertical-align: middle;

        /* SP */
        @media screen and (max-width: 767px) {
          width: 0.5;
          height: 0.25rem;
          margin-right: 0.5rem;
        }
      }
    }
    .theme {
      display: inline-block;
      padding: 0.25rem 0.5rem;
      color: var(--Color-White);
      font-size: 1.5rem;
      border-radius: 0.5rem;

      /* SP */
      @media screen and (max-width: 767px) {
        font-size: 1rem;
        padding: 0.25rem 0.5rem;
      }
    }
  }

  .program-list {
    .session {
      border: 0.125rem solid transparent;
      border-radius: 1.5rem;
      overflow: hidden;
      display: flex;
      background-color: var(--Color-White);
      /* scroll-margin-top: 5rem; */

      /* SP */
      @media screen and (max-width: 767px) {
        flex-direction: column;
        border-width: 0.125rem;
        /* gap: 0.5rem; */
      }

      & + .session {
        margin-top: 1.75rem;
      }

      &.--opening {
        .num-info {
          writing-mode: vertical-lr;

          /* SP */
          @media screen and (max-width: 767px) {
            writing-mode: horizontal-tb;
          }

          .num {
            font-size: 2rem;

            /* SP */
            @media screen and (max-width: 767px) {
              font-size: 1.5rem;
            }
          }
        }
      }

      .num-info {
        color: var(--Color-White);
        display: flex;
        flex-direction: column;
        gap: 0.05rem;
        align-items: center;
        justify-content: center;
        width: 5rem;
        flex-shrink: 0;
        max-height: 17.5rem;
        /* margin-bottom: 2rem; */
        border-radius: 0 0 1.5rem 0;

        /* SP */
        @media screen and (max-width: 767px) {
          flex-direction: row;
          width: 100%;
          padding: 0.5rem 0 0.75rem;
          gap: 0.5rem;
          border-radius: 0;
        }

        .text {
          font-size: 0.75rem;
          line-height: 1;
          font-weight: 700;

          /* SP */
          @media screen and (max-width: 767px) {
            font-size: 1rem;
          }
        }
        .num {
          font-size: 2.5rem;
          line-height: 1;
          font-weight: 700;

          /* SP */
          @media screen and (max-width: 767px) {
            font-size: 2rem;
          }
        }
      }

      .session-detail {
        padding: 1.5rem 2rem;
        display: flex;
        gap: 1.5rem;
        flex: 1;
        min-width: 0;

        /* SP */
        @media screen and (max-width: 767px) {
          padding: 1rem;
          flex-direction: column-reverse;
        }

        .session-detail-inner {
          /* 文章が短いカードでも写真を右端にそろえる */
          flex: 1;
          min-width: 0;
        }

        .header-info {
          display: flex;
          gap: 1rem;
          align-items: center;

          /* SP */
          @media screen and (max-width: 767px) {
            flex-direction: column;
            align-items: start;
            gap: 0.5rem;
          }

          .type {
            width: fit-content;
            font-size: 0.875rem;
            /* color: var(--Color-White); */
            /* padding: 0.375rem 0.5rem; */
            /* border-radius: 0.5rem; */
            font-weight: 700;
            line-height: 1.25;

            &.is-special {
              padding: 0.25rem 0.5rem;
              border-radius: 2rem;
            }

            /* SP */
            @media screen and (max-width: 767px) {
              font-size: 0.875rem;
              line-height: 1.5;
            }
          }

          .time {
            font-size: 1rem;
            color: var(--Color-SyGrey);
            font-weight: 700;

            /* SP */
            @media screen and (max-width: 767px) {
              font-size: 0.875rem;
            }

            &::before {
              vertical-align: middle;
              content: "";
              display: inline-block;
              width: 1.5rem;
              height: 1.5rem;
              background: url(../img/clock.svg);
              background-size: contain;
              margin-right: 0.25rem;
            }
          }
        }

        .title {
          font-size: 1.5rem;
          font-weight: 700;
          margin-top: 0.5rem;
          margin-bottom: 0.5rem;
          padding-bottom: 0.5rem;
          border-bottom: 0.125rem solid var(--Color-Grey-150);
          font-family: "Roboto", "M PLUS 1p", sans-serif;
          transform: rotate(0.05deg);
          line-height: 1.375;

          /* SP */
          @media screen and (max-width: 767px) {
            font-size: 1.1875rem;
          }
        }

        .speaker-info {
          .name {
            font-size: 1.125rem;
            font-weight: 700;
          }
          .company {
            margin-top: 1rem;
            font-size: 0.875rem;
            color: var(--Color-SyGrey);
            /* font-weight: 700; */
            line-height: 1.5;
          }
          .profile {
            margin-top: 0.5rem;
            margin-bottom: 0.25rem;
            position: relative;

            /* SP */
            @media screen and (max-width: 767px) {
            }

            .text {
              font-size: 0.8125rem;
              overflow: hidden;
              position: relative;
              transition: max-height 0.3s ease;
            }

            .more-button-wrapper {
              display: flex;
              justify-content: end;

              &::after {
                content: "";
                position: absolute;
                bottom: 1.5rem;
                left: 0;
                width: 100%;
                height: 1.5rem;
                background: linear-gradient(
                  to bottom,
                  rgba(255, 255, 255, 0) 0%,
                  #fff 100%
                );
                pointer-events: none;
              }
            }

            .more-button {
              display: inline-block;
              font-weight: 700;
              font-size: 0.8125rem;
              margin-left: auto;
              transition: all 200ms var(--Easing-Hover);
              text-decoration: underline;
              position: relative;
              z-index: 2;

              &::after {
                vertical-align: middle;
                content: "";
                display: inline-block;
                width: 1.5rem;
                height: 1.5rem;
                background: url(../img/keyboard_arrow_down.svg);
                background-size: contain;
                background-repeat: no-repeat;
              }
            }

            &.is-open {
              .text {
                max-height: 100rem;
              }
              .more-button-wrapper {
                &::after {
                  display: none;
                }
              }
              .more-button {
                &::after {
                  transform: scaleY(-1);
                }
              }
            }
          }
        }

        .img {
          width: 14rem;
          flex-shrink: 0;

          /* SP */
          @media screen and (max-width: 767px) {
            width: 12rem;
            margin: 0 auto;
          }
        }
      }

      &.--col2 {
        .speaker-list {
          display: flex;
          gap: 1.5rem;

          /* SP */
          @media screen and (max-width: 767px) {
            gap: 1rem;
            flex-direction: column;
          }

          .speaker-item {
            display: flex;
            gap: 0.75rem;
            flex: 1;

            /* SP */
            @media screen and (max-width: 767px) {
              gap: 0.5rem;
              flex-direction: column-reverse;
            }

            .img {
              width: 10rem;

              /* SP */
              @media screen and (max-width: 767px) {
                width: 8rem;
              }
            }
          }
          .separator {
            align-self: stretch;
            width: 1px;
            background: var(--Color-Grey-150);

            /* SP */
            @media screen and (max-width: 767px) {
              width: 100%;
              height: 1px;
            }
          }
        }
      }

      &.--col3 {
        .speaker-list {
          display: flex;
          gap: 1.5rem;

          /* SP */
          @media screen and (max-width: 767px) {
            gap: 1rem;
            flex-direction: column;
          }
          .speaker-item {
            display: flex;
            gap: 0.75rem;
            flex: 1;

            /* SP */
            @media screen and (max-width: 767px) {
              gap: 0.5rem;
              flex-direction: column-reverse;
            }

            .img {
              width: 6.5rem;

              /* SP */
              @media screen and (max-width: 767px) {
                width: 8rem;
              }
            }
          }
          .separator {
            align-self: stretch;
            width: 1px;
            background: var(--Color-Grey-150);

            /* SP */
            @media screen and (max-width: 767px) {
              width: 100%;
              height: 1px;
            }
          }
        }
      }
    }
  }
}

@media (hover: hover) and (pointer: fine) {
  .program {
    .program-list {
      .session {
        .session-detail {
          .speaker-info {
            .more-button:hover {
              color: var(--Color-SyRed);
              text-decoration: none;
              &::after {
                filter: var(--Filter-SyRed);
              }
            }
          }
        }
      }
    }
  }
}

/* ---------- overview ---------- */
.overview {
  margin-top: 5rem;

  /* SP */
  @media screen and (max-width: 767px) {
    margin-top: 3rem;
  }

  .inner {
    max-width: 60rem;
    margin: 0 auto;
    background-color: var(--Color-White);
    padding: 2.5rem 3rem;
    border-radius: 2.5rem;
    box-shadow: var(--Drop-Shadow);

    /* SP */
    @media screen and (max-width: 767px) {
      padding: 1rem 1.5rem;
      margin: 0 1rem;
    }

    .title {
      font-size: 2.25rem;
      font-weight: 700;
      color: var(--Color-SyRed);
      text-align: center;
      padding-bottom: 0.5rem;
      border-bottom: 0.25rem solid var(--Color-SyRed);
      font-family: "Roboto", "M PLUS 1p", sans-serif;
      transform: rotate(0.05deg);

      /* SP */
      @media screen and (max-width: 767px) {
        font-size: 1.5rem;
      }
    }
    .detail {
      margin-top: 2rem;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem 2rem;

      /* SP */
      @media screen and (max-width: 767px) {
        grid-template-columns: 1fr;
        margin-top: 1rem;
      }

      dl {
        display: flex;
        gap: 2rem;

        /* 左列＝日時のみ（右の3項目分の高さにまたがる）／右列＝場所・参加費・主催（2026-11-06 変更） */
        &:nth-child(1) {
          grid-column: 1;
          grid-row: 1 / span 3;
        }
        &:nth-child(n + 2) {
          grid-column: 2;
        }

        &:nth-child(2),
        &:nth-child(3) {
          border-bottom: 1px solid var(--Color-Grey-150);
          padding-bottom: 1rem;
        }

        /* SP */
        @media screen and (max-width: 767px) {
          gap: 1rem;
          &:nth-child(1),
          &:nth-child(n + 2) {
            grid-column: auto;
            grid-row: auto;
          }
          &:nth-child(1) {
            border-bottom: 1px solid var(--Color-Grey-150);
            padding-bottom: 1rem;
          }
          &:last-child {
            border-bottom: 0;
            padding-bottom: 1rem;
          }
        }

        dt {
          width: 5rem;
          flex-shrink: 0;
          font-weight: 700;
          font-size: 1rem;
          position: relative;
          padding-left: 1rem;

          /* SP */
          @media screen and (max-width: 767px) {
            font-size: 0.875rem;
          }

          &::before {
            content: "";
            display: block;
            position: absolute;
            width: 0.25rem;
            height: 1.5rem;
            background-color: var(--Color-SyRed);
            border-radius: 1rem;
            top: 0.25rem;
            left: 0;

            /* SP */
            @media screen and (max-width: 767px) {
              height: 1.25rem;
              top: 0.125rem;
            }
          }
        }
        dd {
          font-size: 1rem;

          /* SP */
          @media screen and (max-width: 767px) {
            font-size: 0.875rem;
          }

          a {
            text-decoration: underline;
            transition: all 200ms var(--Easing-Hover);

            &:after {
              content: "";
              display: inline-block;
              background: url(../img/open_in_new.svg);
              background-repeat: no-repeat;
              background-size: contain;
              vertical-align: middle;
              width: 1rem;
              height: 1rem;
              margin-left: 0.25rem;
            }
          }
        }
      }
    }
  }
}

@media (hover: hover) and (pointer: fine) {
  .overview {
    .inner {
      .detail {
        dl {
          dd {
            a:hover {
              text-decoration: none;
              color: var(--Color-SyRed);

              &::after {
                filter: var(--Filter-SyRed);
              }
            }
          }
        }
      }
    }
  }
}

/* ---------- form ---------- */
.form-wrap {
  margin: 0 auto;
  max-width: 60rem;
  padding: 2.5rem 1.5rem;
  background-color: var(--Color-SyLightRed);
  border-radius: 2.5rem;
}

.form-wrap iframe {
  border-radius: 12px;
}

/* ---------- footer ---------- */
.footer {
  padding-bottom: 2rem;

  .msd-logo {
    width: 90%;
    margin: 4rem auto;
    max-width: 80rem;
    /* SP */
    @media screen and (max-width: 767px) {
      width: 80%;
      margin: 3rem auto;
    }
  }
  .inner {
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;

    /* SP */
    @media screen and (max-width: 767px) {
      flex-direction: column;
      justify-content: center;
    }
  }
  .footer-list {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    li {
      a {
        display: flex;
        align-items: center;
        gap: 1rem 0.5rem;
        font-size: 0.875rem;
        font-weight: bold;
        transition: all 400ms var(--Easing-Hover);

        &::before {
          content: "";
          width: 1rem;
          height: 1rem;
          background-image: url(../img/arrow-right-r.svg);
          background-position: center;
          background-size: contain;
          background-repeat: no-repeat;
          flex: 0 0 auto;
        }
      }
    }
  }
  .copy-right {
    font-size: 0.875em;
    text-align: center;

    /* SP */
    @media screen and (max-width: 767px) {
      margin-top: 1rem;
      font-size: 0.75rem;
    }
  }
}

@media (hover: hover) and (pointer: fine) {
  .footer {
    .footer-list {
      li {
        a:hover {
          color: var(--Color-SyRed);
        }
      }
    }
  }
}

.footer-bg-wave {
  position: absolute;
  width: 100%;
  height: 80rem;
  left: 0;
  bottom: 0;
  overflow: hidden;
  z-index: -1;

  /* SP */
  @media screen and (max-width: 767px) {
    height: 40rem;
  }

  .wave {
    position: absolute;

    &.--01 {
      top: 0;
      left: 0;

      /* SP */
      @media screen and (max-width: 767px) {
        width: 45rem;
        top: auto;
        bottom: 15rem;
      }
    }

    &.--02 {
      top: 32rem;
      right: 0;

      /* SP */
      @media screen and (max-width: 767px) {
        width: 35rem;
        top: auto;
        bottom: -18rem;
      }
    }
  }
}

.footer-bg-fill {
  position: absolute;
  width: 100%;
  height: 70rem;
  left: 0;
  bottom: 0;
  overflow: hidden;
  z-index: -1;

  .fill {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: -1;

    background: linear-gradient(101deg, #d5feff 0%, #fff 65%, #ffd5ce 100%);
    background-size: 200% 200%;
    animation: gradient-move 10s ease infinite;

    mask-image: linear-gradient(to top, black 0%, transparent 100%);
    mask-size: 100% 100%;
    mask-repeat: no-repeat;
  }
}

/* 登壇企業ロゴ（2026-11-06 追加） */
.program .speaker-info .logo {
  margin: 1rem 0 0;
  height: 30px;
}
/* 縦横比が正方形に近いロゴは少し高くして、横長ロゴと見た目の大きさをそろえる */
.program .speaker-info .logo.--tall {
  height: 40px;
}
/* 文字が細いロゴ（シナジー）は少し大きくする */
.program .speaker-info .logo.--wide {
  height: 36px;
}
.program .speaker-info .logo img {
  display: block;
  height: 100%;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  object-position: left center;
}
.program .speaker-info .logo + .company {
  margin-top: 0.5rem;
}