body, html {
    height: 100%;
    margin: 0;
    padding: 0;
}

.menu-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.5);
    border-bottom: 1px solid #000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 60px 0 60px;
    z-index: 1;
}

.menu-item-left {
    display: flex;
    align-items: center;
}

.menu-item-left .logo {
    height: 36px;
    max-height: 100%;
    margin-right: 20px;
}

.menu-item-right a {
    margin-left: 10px;
}

.content {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    height: 100%; //auto
    padding-top: 360px;
    overflow: auto;
}

.headline-container {
    text-align: center;
    margin-top: 20%; 
    line-height: 250%;
}

.headline-1 {
    font-size: calc(15px + 3vw);
    font-weight: bold;
    line-height: 200%;
}

.headline-2 {
    font-size: calc(15px + 3vw);
    font-weight: bold;
}

.intro-text {
    text-align: left;
    font-size: 18px;
    margin-top: 70px;
    line-height: 1.5;
    width: 70%;
    margin-left: auto;
    margin-right: auto;
}

.app-store-badge {
    text-align: center;
    margin-top: 40px; 
}

.app-store-badge img {
    width: 150px;
    height: auto;
}

.app-image {
    width: 100%;
    height: auto;
    text-align: center;
    margin: 40px 0
}

.app-image img {
    max-width: 80%;
    height: auto;
    object-fit: contain; 
}

.footer {
    left: 0;
    bottom: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.5);
    color: black;
    text-align: center;
    padding: 10px 0;
}

/* Help Button */
.help-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 10px 20px;
    background-color: #007BFF;
    color: white;
    cursor: pointer;
    z-index: 100;
}

/* Modal Window */
.modal {
    display: none;
    position: fixed;
    z-index: 101;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
}

.modal-content .email-input {
    width: calc(100% + 200px);
}

.modal-content .message-input {
    width: 90%;
    height: 100px;
}

.modal-content .submit-button {
    float: right;
}

.close {
    color: #aaaaaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: #000;
    text-decoration: none;
    cursor: pointer;
}


@font-face {
    font-family: 'Noto Sans JP';
    src: url('/static/fonts/NotoSansJP-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@media (max-width: 600px) {
  .content {
    padding-top: 80px;
  }

  .intro-text {
    font-size: 75%;
  }
}